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Low key portrait of tired woman looking at laptop screen

Low key portrait of tired woman looking at laptop screen

PUBLIC DOMAIN DEDICATION digionbew 10. june july 25-06-16 Hollyhock and poppy seed pods LOW RES DSC02465

PUBLIC DOMAIN DEDICATION digionbew 10. june july 25-06-16 Hollyhock and poppy seed pods LOW RES DSC02465

PUBLIC DOMAIN DEDICATION - Pixabay-Pexels digionbew 17. 29-08-16 Waterway under clouds LOW RES DSC01071

PUBLIC DOMAIN DEDICATION - Pixabay-Pexels digionbew 17. 29-08-16 Waterway under clouds LOW RES DSC01071

PUBLIC DOMAIN DEDICATION digionbew 8. juni - 11-06-16 Two cows facing LOW RES S1440157

PUBLIC DOMAIN DEDICATION digionbew 8. juni - 11-06-16 Two cows facing LOW RES S1440157

Balconies on modern building

Balconies on a tall modern residential building from low angle. Balconies on a tall modern residential building from low angle.

Tide Formula Component Cranks on Tide Predicting Machine No. 2

Tide formula component cranks on Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The mechanical arrangement (a slotted crank yoke) converts circular motion to a sinusoidal motion. The operator adjusts the position of the pin on each crank to represent the tide formula at a specific port before starting computations. The pin position affects the amplitude and phase of the sinusoid. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank.

A Tide Formula Component Crank on Tide Predicting Machine No. 2

A tide forumula component crank on Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The mechanical arrangement (a slotted crank yoke) converts circular motion to a vertical motion that traces a sinusoid. The operator adjusts the position of the pin on the crank to represent a component of the tide formula at a specific coastal port before starting computations. The pin position affects the amplitude and phase of the sinusoid. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to produce its tide predictions. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. A tide forumula component crank on Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The mechanical arrangement (a slotted crank yoke) converts circular motion to a vertical motion that traces a sinusoid. The operator adjusts the position of the pin on the crank to represent a component of the tide formula at a specific coastal port before starting computations. The pin position affects the amplitude and phase of the sinusoid. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to produce its tide predictions. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank.

Tide Predicting Machine No. 2 ("Old Brass Brains"&#x29

Tide Predicting Machine No. 2 is a special purpose mechanical analog computer for predicting the height and time of high and low tides. When the machine was routinely used, the operator would sit at the desk and turn the crank on the left, which powered the machine. Mechanical components, partially visible on the left, computed the height of tides. These were displayed on the paper tide curve visible at the top right and on the dial below the paper. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. The National Oceanic and Atmospheric Administration (NOAA) occasionally displays the machine at its facility in Silver Spring, Maryland. Tide Predicting Machine No. 2 is a special purpose mechanical analog computer for predicting the height and time of high and low tides. When the machine was routinely used, the operator would sit at the desk and turn the crank on the left, which powered the machine. Mechanical components, partially visible on the left, computed the height of tides. These were displayed on the paper tide curve visible at the top right and on the dial below the paper. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. The National Oceanic and Atmospheric Administration (NOAA) occasionally displays the machine at its facility in Silver Spring, Maryland.

Low Angle View of Sky

Low Angle View of Sky

Vector : Real Estate Logo with business name card and corporate pattern in modern low poly style, Branding concept

Mobile app graphic user interface. Low poly

Mobile app graphic user interface. Low poly

Low Angle View of Shoes

Low Angle View of Shoes

FUJI BEW ORIG 2. - digionbew 8. june 12-06-16 - Calf at fence LOW RES S1440351

FUJI BEW ORIG 2. - digionbew 8. june 12-06-16 - Calf at fence LOW RES S1440351

Purple Abstract Low Poly Vector Background

Purple Abstract Low Poly Vector Background

PUBLIC DOMAIN DEDICATION - Pixabay- digionbew 11. 03-0-16 DaisY at green fence LOW RES DSC04139

PUBLIC DOMAIN DEDICATION - Pixabay- digionbew 11. 03-0-16 DaisY at green fence LOW RES DSC04139

PUBLIC DOMAIN DEDICATION - digionbew 9. june 17-06-16 Primula with insect LOW RES DSC00384

PUBLIC DOMAIN DEDICATION - digionbew 9. june 17-06-16 Primula with insect LOW RES DSC00384

PUBLIC DOMAIN DEDICATION digionbew 10 june july 27-06-16 Lonely tree LOW RES DSC03303

PUBLIC DOMAIN DEDICATION digionbew 10 june july 27-06-16 Lonely tree LOW RES DSC03303

Low Angle View of Human Representation of Grass

Low Angle View of Human Representation of Grass

Abstract low poly illustration of airplane

Abstract low poly illustration of airplane

Low pass of big white plane

Low pass of big white plane

Low Angle View of Skyscrapers Against Cloudy Sky

Low Angle View of Skyscrapers Against Cloudy Sky

Residential skyscrapers from low angle.

Low section of repairman fixing car s tire in repair shop

Low section of repairman fixing car s tire in repair shop

Low Angle View of City Against Clear Sky

Low Angle View of City Against Clear Sky

PUBLIC DOMAIN DEDICATION - Pixabay - digionbew 11. 04-07-16 Flowers with insect LOW RES DSC04300

PUBLIC DOMAIN DEDICATION - Pixabay - digionbew 11. 04-07-16 Flowers with insect LOW RES DSC04300

Portrait in low-key

Portrait in low-key

PUBLIC DOMAIN DEDICATION - digionbew 11. 06-07-16 Beetles privacy violated LOW RES DSC04565

PUBLIC DOMAIN DEDICATION - digionbew 11. 06-07-16 Beetles privacy violated LOW RES DSC04565

Low-key studio portrait of beautiful woman

Low-key studio portrait of beautiful woman

Basketball backboard outdoors

Low angle view of outdoor basketball backboard with blue sky and cloudscape background. Low angle view of outdoor basketball backboard with blue sky and cloudscape background.

Low Angle View of Plants Against Sky

Low Angle View of Plants Against Sky

PUBLIC DOMAIN DEDICATION - Pixabay - digionbe 11. 04-07-16 Ox eye daisies at Frankendael LOW RES DSC04247

PUBLIC DOMAIN DEDICATION - Pixabay - digionbe 11. 04-07-16 Ox eye daisies at Frankendael LOW RES DSC04247

Low-Tide Square Scottish Boat

Low-Tide Square Scottish Boat

Low-voltage cabinet for power and distribution electricity

Low-voltage cabinet for power and distribution electricity

A low angle view of a glass skyscraper. A low angle view of a glass skyscraper.

Low Angle View of Woman Relaxing on Beach Against Blue Sky

Low Angle View of Woman Relaxing on Beach Against Blue Sky

PUBLIC DOMAIN DEDICATION digionbew 10 june july 25-06-16 Reeds under blue skies LOW RES DSC02575

PUBLIC DOMAIN DEDICATION digionbew 10 june july 25-06-16 Reeds under blue skies LOW RES DSC02575

Summation Chain Close-Up

A part of the summation chain of Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. By wrapping above and below a series of pulleys, the chain sums their deflections, which is a key component of computing tides. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. A part of the summation chain of Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. By wrapping above and below a series of pulleys, the chain sums their deflections, which is a key component of computing tides. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank.

Low Section of Man Standing on Autumn Leaves

Low Section of Man Standing on Autumn Leaves

Gears on Tide Predicting Machine No. 2

Tide Predicting Machine No. 2 is a special purpose mechanical analog computer for predicting the height and time of high and low tides. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. Tide Predicting Machine No. 2 is a special purpose mechanical analog computer for predicting the height and time of high and low tides. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank.

PUBLIC DOMAIN DEDICATION - Pixabay-Pexels digionbew 16. 25-08-16 Reflections in the pond LOW RES DSC00653

PUBLIC DOMAIN DEDICATION - Pixabay-Pexels digionbew 16. 25-08-16 Reflections in the pond LOW RES DSC00653

Mechanically Adding Trigonometric Functions

These components perform key computations for Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The tide prediction formula implemented by the machine includes the addition of a series of cosine terms. The triangular metal pieces are part of slotted yoke cranks which convert circular motion to a vertical motion that traces a sinusoid. Each slotted yoke crank is connected by a shaft to a pulley, which causes the pulley to follow the sinusoidal motion. A chain going over and under pulleys sums each of their deflections to compute the tide. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. These components perform key computations for Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The tide prediction formula implemented by the machine includes the addition of a series of cosine terms. The triangular metal pieces are part of slotted yoke cranks which convert circular motion to a vertical motion that traces a sinusoid. Each slotted yoke crank is connected by a shaft to a pulley, which causes the pulley to follow the sinusoidal motion. A chain going over and under pulleys sums each of their deflections to compute the tide. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank.

Low Angle View of Man Standing at Night

Low Angle View of Man Standing at Night

PUBLIC DOMAIN DEDICATION - digionbew 9. june 22-06-16 Hosta Leaves LOW RES DSC_0054

PUBLIC DOMAIN DEDICATION - digionbew 9. june 22-06-16 Hosta Leaves LOW RES DSC_0054

PUBLIC DOMAIN DEDICATION - digionbew 9. june 19-06-16 Duckweed and waterlily leaf LOW RES DSC01526

PUBLIC DOMAIN DEDICATION - digionbew 9. june 19-06-16 Duckweed and waterlily leaf LOW RES DSC01526

PUBLIC DOMAIN DEDICATION digionbew 10 june july Foxglove LOW RES DSC02229

PUBLIC DOMAIN DEDICATION digionbew 10 june july Foxglove LOW RES DSC02229

PUBLIC DOMAIN DEDICATION, - digionbew 9. june 19-06-16 - Duckweed LOW RES DSC01517

PUBLIC DOMAIN DEDICATION, - digionbew 9. june 19-06-16 - Duckweed LOW RES DSC01517

Dog - Blue low poly vector set Design

Dog - Blue low poly vector set Design

Low Force Waterfall

Low Force Waterfall

Low Section of Man Standing in Forest

Low Section of Man Standing in Forest

PUBLIC DOMAIN DEDICATION - digionbew 9. june 17-06-16 - Foxglove LOW RES DSC00700

PUBLIC DOMAIN DEDICATION - digionbew 9. june 17-06-16 - Foxglove LOW RES DSC00700

Girl s low key portrait with roses

Girl s low key portrait with roses

Portrait in low-key

Portrait in low-key

PUBLIC DOMAIN DEDICATION digionbew 10. 29-06-16 Moat Naarder Vesting LOW RES DSC03543

PUBLIC DOMAIN DEDICATION digionbew 10. 29-06-16 Moat Naarder Vesting LOW RES DSC03543

FUJI BEW ORIG A2 - Pixabay digionbew 12. 15-07-16 Panter print fabric LOW RES DSC06442

FUJI BEW ORIG A2 - Pixabay digionbew 12. 15-07-16 Panter print fabric LOW RES DSC06442

PUBLIC DOMAIN DEDICATION - digionbew 9. 18-06-16 Door knob LOW RES DSC00860

PUBLIC DOMAIN DEDICATION - digionbew 9. 18-06-16 Door knob LOW RES DSC00860

Chambermaid carrying linen in hotel bedroom, low angle view

Chambermaid carrying linen in hotel bedroom, low angle view

Two Sections of Tide Predicting Machine No. 2

Tide Predicting Machine No. 2 is a special purpose mechanical analog computer for predicting the height and time of high and low tides. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. Tide Predicting Machine No. 2 is a special purpose mechanical analog computer for predicting the height and time of high and low tides. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank.

PUBLIC DOMAIN DEDICATION digionbew VIIIE 13-04-14 LOW RES DSC_0177

PUBLIC DOMAIN DEDICATION digionbew VIIIE 13-04-14 LOW RES DSC_0177

Low Angle View of Office Building Against Sky

Low Angle View of Office Building Against Sky

Gears on Tide Predicting Machine No. 2

These gears pass some the energy provided by the operator turning a crank to the rear section of Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. These gears pass some the energy provided by the operator turning a crank to the rear section of Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank.

PUBLIC DOMAIN DEDICATION - Pixabay- Pexels digionbew 16. 18-08-16 Hedge bindweed LOW RES DSC09645

PUBLIC DOMAIN DEDICATION - Pixabay- Pexels digionbew 16. 18-08-16 Hedge bindweed LOW RES DSC09645

Looking into the Top of Tide Predicting Machine No. 2

These components perform key computations for Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The tide prediction formula implemented by the machine includes the addition of a series of cosine terms. The triangular metal pieces are part of slotted yoke cranks which convert circular motion to a vertical motion that traces a sinusoid. Each slotted yoke crank is connected by a shaft to a pulley, which causes the pulley to follow the sinusoidal motion. A chain going over and under pulleys sums each of their deflections to compute the tide. Along the top of the photo, connecting shafts drive slotted yoke cranks on both sides of the machine. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. The National Oceanic and Atmospheric Administration (NOAA) occasionally displays the machine at its facility in Silver Spring, Maryland. These components perform key computations for Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The tide prediction formula implemented by the machine includes the addition of a series of cosine terms. The triangular metal pieces are part of slotted yoke cranks which convert circular motion to a vertical motion that traces a sinusoid. Each slotted yoke crank is connected by a shaft to a pulley, which causes the pulley to follow the sinusoidal motion. A chain going over and under pulleys sums each of their deflections to compute the tide. Along the top of the photo, connecting shafts drive slotted yoke cranks on both sides of the machine. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. The National Oceanic and Atmospheric Administration (NOAA) occasionally displays the machine at its facility in Silver Spring, Maryland.

PUBLIC DOMAIN DEDICATION - Pixabay - digionbew 9. 19-06-16 Couple on bench at waterway LOW RES DSC01188

PUBLIC DOMAIN DEDICATION - Pixabay - digionbew 9. 19-06-16 Couple on bench at waterway LOW RES DSC01188

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