British Universities Film & Video Council

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Acting in Turn

Synopsis
Traces the development of the gear from the first recorded use in a crude form over two thousand years ago to its widespread use in many forms today. A lever is a means of transferring power. The gear wheel is essentially a series of levers acting in turn. The original wooden gear wheel enabled the power of harnessed animals to be used for raising water and made the water mill and windmill possible. Mechanical clocks led to the use of metal gears, and the need for more accurate time-keeping led to work on the theory of gears and the correct profile for their teeth. The steam engine and the spread of the Industrial Revolution led to further developments and the universal use of the internal combustion engine, the turbine, motorised transport and the electric motor.
Language
English
Year of production
1974
Availability
Out of distribution
Uses
Introductory courses in mechanical engineering, industrial archaeology and history of technology.*
Subjects
Engineering; Technology
Keywords
gears; industrial development; mechanical engineering

Credits

Director
Robin Jackson
Producer
George Seager

Production Company

Name

Shell Film Unit

Distributor

Name

Shell Film Services

Contact
Jane Poynor
Email
Filmservices@Shell.com
Web
http://www.shell.com/ External site opens in new window
Address
Shell International
Creative Solutions
Shell Centre
London
SE1 7NA
Notes
The Shell Film Unit collection has been deposited in the BFI’s National Film & Video Archive

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