Pulleys Free Stock Images

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Belt drive pulleys

Belt drive pulleys

Image of three pulleys isolated on white

Image of three pulleys isolated on white

Sailboat ropes and pulleys

Sailboat ropes and pulleys

Sailing yachts pulleys and ropes

Sailing yachts pulleys and ropes

Pulleys of a boat

Pulleys of a boat

Ropes and Pulleys

Ropes and Pulleys

Old wooden block pulleys and rope

Old wooden block pulleys and rope

Repairer working inside the confined space at mean time connecting back up safety rope with three two one pulleys system

Repairer working inside the confined space at mean time connecting back up safety rope with three two one pulleys system

Old wooden pulleys

Old wooden pulleys

Planks, ropes, pulleys, tackle, and rigging of a replica of a 1400 s era sailing ship

Planks, ropes, pulleys, tackle, and rigging of a replica of a 1400 s era sailing ship

Repairer working inside the confined space at mean time connecting back up safety rope with three two one pulleys system

Repairer working inside the confined space at mean time connecting back up safety rope with three two one pulleys system

Old wooden Block and tackle pulleys in a boat builders shop

Old wooden Block and tackle pulleys in a boat builders shop

Old pulleys on a white wooden wall

Old pulleys on a white wooden wall

Crane pulleys and cables

Crane pulleys and cables

Ancient wooden sailboat pulleys

Ancient wooden sailboat pulleys

Gears and pulleys

Old rusty gears of the train and pulleys. Old rusty gears of the train and pulleys

Crane Pulleys and Cables

Several pulleys and braided steel cables used to control a large crane. Several pulleys and braided steel cables used to control a large crane.

France, Normandie: Old pulleys

France, Normandy: Old pulleys, they are usually known as blocks or sheave and they are used on the boats to change the direction of a force. France, Normandy: Old pulleys, they are usually known as blocks or sheave and they are used on the boats to change the direction of a force

Row of Rope Pulleys on Old Sailboat. Row of Rope Pulleys on Old Sailboat

Ships rigging of four pulleys on a 15th century vessel. Ships rigging of four pulleys on a 15th century vessel

Row of Rope Pulleys on Old Sailboat. Row of Rope Pulleys on Old Sailboat

Tall Ship Rigging

Marine equipment at the old tall ship. Sea hemp ropes and pulleys blocks on the old nautical vessel. Sailing rigging. Ropes of sailboat - tackles on the rigging yacht. Marine equipment at the old tall ship. Sea hemp ropes and pulleys blocks on the old nautical vessel. Sailing rigging. Ropes of sailboat - tackles on the rigging yacht.

Ropes & pulleys

Ropes & pulleys on tall ship

Block and tackle pulleys

Antique block and tackle pulleys.

Hull and masts with pulleys of a red freighter

Hull and masts of a red old freighter with pulleys. Hull and masts of a red old freighter with pulleys

Summation Chain

The summation chain runs around pulleys on Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The pulleys move up and down and the chain sums their displacements to compute the height or 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.

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.

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.

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.

Vector illustration of a sewing kit for needlework or repairs including needle, pins, buttons and cotton on reels

Mast and rigging of sailing ship

Ship mast - view from the bottom up

Crane against clear blue sky

Pot and the weel

An original shot of an ancient weel with his pulley and a pot on the top. An original shot of an ancient weel with his pulley and a pot on the top

Pulleys stacked

Pulley wheels for belt drive equipment or machinery. Pulley wheels for belt drive equipment or machinery.

A wonderful close up of a pulley of a weel

Cable with a hook.

Closeup of cable with a hook on blue background. Closeup of cable with a hook on blue background.

The mast and rigging of a tall ship. The mast and rigging of a tall ship.

The Funiculaire

The Funiculaire of Saint-Hilaire du Touvet, the steepest raliway in Europe (93% gradient)

Tractor and saw

An image of a tractor powered circular saw. An image of a tractor powered circular saw.

Weel in the cloister

A suggestive close up of a pot over a weel in an ancient cloister. A suggestive close up of a pot over a weel in an ancient cloister

Sailing rigging. Blocks and red cords. Detail of yacht. Ropes of sailboat - tackles on the rigging yacht. Yachting equipping - pulleys blocks.

Old rusty gears of the machine. Old rusty gears of the machine

Old rusty gears of the machine. Old rusty gears of the machine

Sailing rigging

Sailing rigging. Blocks and red cords. Detail of yacht. Ropes of sailboat - tackles on the rigging yacht. Yachting equipping - pulleys blocks.

Ship equipment at ancient nautical vessel. Marine ropes with wooden rigging on the seascape view. Wooden block, pulley and hemp ropes - tackle on the old ship. Ship equipment at ancient nautical vessel. Marine ropes with wooden rigging on the seascape view. Wooden block, pulley and hemp ropes - tackle on the old ship.

Cableway cabin passing under the support post

Belts on vintage stitching machine in publishing house. Belts on vintage stitching machine in publishing house

Floating cranes

A pier view of floating cranes on the water

Ancient man made wooden treadmill

Block and Tackle

Antique block and tackle for hoisting heavy objects. Twin pulleys with a metal hook on the bottom and a circular ring at the top.

Block and Tackle

Antique block and tackle for hoisting heavy objects. Twin pulleys with a metal hook on the bottom and a circular ring at the top.

Block and Tackle

Antique block and tackle for hoisting heavy objects. Twin pulleys with a metal hook on the bottom and a circular ring at the top.

Engineering pivot

Pivot point engineering of a large fairground amusement ride. Pivot point engineering of a large fairground amusement ride

Ship's ropes on replica ship in Jamestown Virginia. Ship's ropes on replica ship in Jamestown Virginia

Old rusty gears of the machine on the grass.

Replica of Vintage Spinning Wheel

Chairlift Tower

Unique view of chairlift tower at a ski area. Blue sky and a great view of the pulleys suspending you in the air.

Brrr - Winter is coming!

Factory scene over cogwheels on gradient background

Fire Hall Hose Tower

Hose lines hung to dry in a brick tower at a fire station. Hose lines hung to dry in a brick tower at a fire station.

Giant crane detail

Location: Montreal, Canada, downtown area. Camera: Nikon D200, lens: Sigma 70-200. Location: Montreal, Canada, downtown area. Camera: Nikon D200, lens: Sigma 70-200

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