1949 Still life of Progress. The slide rule ?
1949 Still life of Progress. The slide rule (at left), developed in the 17th century was the calculation tool in science and engineering. The pencil points to two transistors, the building block of modern electronic devices
Picture No
10668192
Media ID
45214269
Size
3000px x 2345px
(1.2MB)
Credit
Mary Evans / Everett Collection
Usage Restrictions
Strictly editorial use only. Please contact Mary Evans if any other use required
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Restrictions Only for Ireland and United Kingdom
20st Calculation Calculators Computation Computers Developed Devices Electronic Graph Inventions Mathematics Points Rule Transistors
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