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  • Koch, Huxhold & Hannemann (KHH) - made surprising System Korte slide rule that does addition & subtraction
  • Smallwood Folding Shoe Sizing Stick in metric for French shoe sizes 10-48 in increments of a Paris point (⅔ cm)
  • Lawrence MIT Antenna slide rule for radar antenna performance was classified during WWII by UK & US governments
  • ALRO-made ruler unusually with a cursor for analysing ECG printouts of the cardiac Sinus Rhythms
  • Hatters Gauge - for measuring the size of a hat but unusually calibrated in metric & imperial
  • Glovers Rule - for measuring the length of a glove in imperial inches
  • Unusual non-logarithmic QR 41 military model by Dennert & Pape (D&P) for training anti-aircraft gunners
  • Colour combinations slide rule made by German WH-Wohnen for Interior Designers
  • Professor Fuller’s Drum Calculator from 1878 - made by W.F. Stanley
  • Modern wristwatch with slide rule bezel calculator made by German maker Kienzle
  • Ruxton made Multi-Vider combined drop-lead pencil & slide rule
  • Rare Otis King Model N for Retail & Monetary with white scales (422 & 424) on a black background
  • Darnley’s Rotable Lightning Calculator/Pencil Case calculating aid
  • Makeba made Kombinator combination pencil & slide rule
  • Rare Carbic-made Fischer Calculator slide rule
  • Specialist slide rule for a national home cable radio broadcasting system offered in The Netherlands from 1930 to1970
  • Smallest drum (≈ 2.4m) made by renowned Swiss maker LOGA

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Search results: Click on any Model listed in the leftmost column (or its image) for the full specification OR hover over its "Thumbnail" image (if shown) for a pop-up enlargement

You searched for: CONCISE (K.K. Konsaisu)
ModelTypeMaterialCommentsThumbnail
26A Pocket Enhanced Mannheim without Trig scales - early plastic/metal

Combined slide rule/slide chart specially commissioned by Japanese engineering company Chiyoda + conversion factors on back + removable data card with weight, length, square (area) & cubic/capacity conversion tables 

Concise 26A Pocket Enhanced Mannheim without Trig scales - early
28 Pocket Enhanced Mannheim without Trig scales plastic/metal

Specially commissioned by Japanese drawing instruments company Takeda + conversion factors on back + double-sided cursor is superfluous as nothing to calculate on back

Concise 28 Pocket Enhanced Mannheim without Trig scales
32 Keyring Basic/Perpetual Calendar plastic/metal

Printed Patent no. 479446 + perpetual calendar (only for 1960 to 1981)

Concise 32 Keyring Basic/Perpetual Calendar
600 Pocket Chemical plastic/metal

Combined slide rule/slide chart designed by SAMA & ETANI & specially commissioned by Dutch oil major Shell +periodic table of elements on back + removable data card with length, area, weight, decimal equivalents, volume, velocity, flow rates, gas constants, energy & pressure conversion tables

Concise 600 Pocket Chemical
CTCS-552 Pocket Chemical plastic/metal

Combined slide rule/slide chart designed by SAMA & ETANI & specially commissioned by American chemicals company DOW + table of elements & temperature conversion chart on back + removable data card with length, area, weight, decimal equivalents, volume, velocity, flow rates, gas constants, energy & pressure conversion tables - CTCS model name prefix = Conversion Tables & Circular Slide Rule 

Concise CTCS-552 Pocket Chemical
EE-112 Pocket Electronic plastic/metal

Combined slide rule/slide chart designed by SAMA & ETANI & specially commissioned by American engineering company Brown & Root Inc. + reactance nomogram on back + removable data card with length, weight, area, volume, energy power & velocity conversion tables - EE model name prefix = Engineering & Electronic

Concise EE-112 Pocket Electronic
Herman van Herwijnen Pocket Stadia Topography plastic/metal

Specially commissioned memorial edition by defunct online group ISRG for late HvH (1929-2004) + lookup table for correcting distance measurements on front  

Concise Herman van Herwijnen Pocket Stadia Topography