File:Westinghouse Numa slide rules.jpg
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Summary
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Photograph of the "slide rules" mentioned in the associated Wiki article text. These were created by the old research group at Westinghouse's radio division.
Licensing
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I, the copyright holder of this work, hereby publish it under the following license:
   | This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:42, 25 March 2016 | | 3,095 × 2,037 (603 KB) | KevinKillion (talk | contribs) | Photograph of the "slide rules" mentioned in the associated Wiki article text. These were created by the old research group at Westinghouse's radio division. |
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