Dials Free Stock Images

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DJ Table detail

DJ Table detail

Car speedo detail

Car speedo detail

Inside of a car

Inside of a car

Vintage radio.

Vintage auto interior

Interior of vintage automobile steering wheel and dashboard in sepia. Interior of vintage automobile steering wheel and dashboard in sepia.

License: Public Domain Dedication (CC0) Source: Little Visuals. License: Public Domain Dedication (CC0) Source: Little Visuals

The dials of the old antique classic clocks on a vintage paper background. Concept of time, history, science, memory, information

The dials of the old antique classic clocks on a vintage paper background. Concept of time, history, science, memory, information

Clocks

Controls on a steam train

Controls on a steam train

Fire Truck Pump Control

Fire Truck Pump Control

Combination Lock dials

Combination Lock dials

Car dials

Face of Tide Predicting Machine No. 2

The output face of Tide Predicting Machine No. 2, a special purpose mechanical analog computer for predicting the height and time of high and low tides. The pen at the top draws the tide height as the paper moves beneath it. The dials below display the predicted tide height and the corresponding date and time. When the machine was in operation, the operator recorded the height and time of high and low tides, which were later reproduced in printed tide tables. 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.

Inside of a car

Inside of a car

Fire Truck Pump Control

Fire Truck Pump Control

Fire Truck Controls

Fire Truck Controls

Cockpit

Analog watch in black and white

Close up of analog wristwatch in black and white. Close up of analog wristwatch in black and white.

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