File:Slide rule pocket watch.jpg
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Summary
| Description |
English: Russian built Circular slide rule (possibly a Tochmach KL1) with a design similar to a pocket watch showing both front and rear scales. The two pointers move in sync by rotating the red knob, and the back face (with the C scale) turns by rotating the black knob. Note the red hairline on the rear face that corresponds to the 1 on the front face. Operations that can be performed are:
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| Date | |
| Source | Own work |
| Author | Autopilot |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:34, 18 September 2010 | | 3,000 × 2,000 (470 KB) | Autopilot | {{Information |Description={{en|1=Circular slide rule built like a pocket watch, showing both front and rear scales. The two pointers move in sync by rotating the red knob, and the back face (with the C scale) turn |
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