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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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Author Autopilot

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Captions

Soviet KL-1 slide rule

Items portrayed in this file

depicts

18 September 2010

File history

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Date/TimeThumbnailDimensionsUserComment
current14:34, 18 September 2010Thumbnail for version as of 14:34, 18 September 20103,000 × 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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