Interested in finding out more about this calculating wonder? Then try one of the related articles (often light-hearted) I have published.
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Maker | Model | Type | Material | Comments | Thumbnail |
KLPV - Factory for Calculating Instruments - Kiev | (NoName) | Rietz | wood/plastic veneers | ROCT (GOST) Russian State Standard No. = 5161-57 + two open windows with cursor line in back |
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Leningrad Factory | (NoName) | Desktop Military Artillery Range Finding | wood+metal/celluloid veneers | Made in the style of earlier Russian Prometei-made military/pilot slide rules. Intriguingly the military RWTL-2 labelling (in German) on the box stands for Rockets and Weapons Storage - 2 @ Hennersdorfer Heide, Lower Austria. |
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LFAI - Leningrad | (NoName) | Desktop Rietz | wood/celluloid veneers | ROCT (GOST) Russian State Standard No. = 5161-57 + conversion factors & formulas on back |
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LFAI - Leningrad | (NoName) | Pocket Rietz | wood/plastic verneers | ROCT (GOST) Russian State Standard No. = 5161-57 + two open windows with cursor line in back |
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LFAI - Leningrad | (NoName) | Rietz | wood/celluloid veneers | ROCT (GOST) Russian State Standard No. = 5161-49 + conversion factors & formulas on back |
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Prometheus/Prometei/Prometejs - Leningrad | Model 1 | Rietz - early | wood/celluloid veneers | Prometheus = English version of Russian company names + hand-written serial no. = 7435 (also on back of slide) + nothing in well of stock = early model + conversion factors & formulas on back |
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SPZ - Voronezh | NL-10m | Aviation | wood/steel/celluloid veneers | Flight Computer + identical model made by another Russian factory - LFAI |
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Sunrise - Moscow | Krougovaia Logarifmioueskaia KL-1 | Pocket-Watch Basic | chrome/plastic/glass | Model name = Circular logarithmic in Russian + black dotted winder for A & C scales wheras red dotted winder moves both pointers simultaneously |
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TU - Kiev | 125-10m | Pocket Rietz | plastic | Equivalent ROCT (GOST) Russian State Standard No. = TY 25.01.610-72 |
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TU - Kiev | 250-10m | Rietz | plastic | ROCT (GOST) Russian State Standard No. = 5161-72 |
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TU - Kiev | 250-14m | Log-Log | plastic | ROCT (GOST) Russian State Standard No. = 5161-72 |
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Unknown | II3-I05-0I-I3 | Music Guitar Chords | aluminium | Russian slide chart with revolving wheel for choosing chords |