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Dec. 12, 1964 - This clock gets It's energy from Light!! Light is the source of energy which drives this very unusual clock produced in Switzerland and shown in Frankfurt for the first time. A photo cell which is sensitive to even the smallest amount of light produces the energy to drive the minute clock motor. A miniature battery is also incorporated which can be used to drive the clock when it is too dark for the photocell to operate. Photo shows The new Light Clock contrasted with an ancient sun-dial on exhibition in Frankfurt
Picture No
13249235
Media ID
47013758
Size
4435px x 5535px
(1.3MB)
Credit
(c) Keystone Pictures USA/ZUMAPRESS.com/Mary Evans
Usage Restrictions
Editorial Use Only - No Property or Model Releases. For any non-editorial use, please contact Mary Evans direct
Source
Keystone Pictures USA
Pick your License
Restrictions Only for United Kingdom
Amount Battery Contrasted Drives Incorporated Minute Operate Produces Sensitive Smallest Source
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