• 455 Martinson, Los Angeles
  • 8 (043) 567 - 89 - 30
  • support@email.com
  • ARISTO 90107 specially commissioned model for calculating the lifespan of filament lightbulbs
  • Koch, Huxhold & Hannemann (KHH) - made the 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

Search my slide rule collection

Search by maker

Search by keyword

Tip: separate keywords (implict AND) by a space or a comma and if needed, limit the search by adding keywords proceeded by a hyphen: e.g. -Faber, -plastic. Phrases in quotes may also be used.

Search my tech papers

Interested in finding out more about this calculating wonder? Then try one of the related articles (often light-hearted) I have published.
Go to the search my tech papers page.

Search results: Click on any Maker listed in the leftmost column for that model's full specification OR hover over its "Thumbnail" (if shown) for a pop-up enlargement of the image

You searched for: aristo special
MakerModelTypeMaterialCommentsThumbnail
Aristo10071Lighting - System Herbrechtingenplastic

Special commission for German lighting company OSRAM for calculating for calculating lifespan of filament lightbulbs + Table of values on back - see also later & wider version  
Aristo10181Pocket Basicplastic

Special commission for defunct German textile company F.C. Bayerlein + many conversion style gauge marks
Aristo30050 Lindell "55"Desktop Transversal Planimetermetal/plastic

No slide - specially commissioned by Finnish stationers Ab Herman Lindell Oy - for measuring distances/areas - cursor extension suggests results were transposed for further working - name Herman Lindell + “import” & “copyrighted” in Finnish on the back
Aristo60115 HOHLUXPhotographicplastic/metal

Specially commissioned for German photographic suppliers Hoh & Hahne -  HOHLUX was one of their band names.
Aristo60126 RADAR-WINDDesktop Military Artillery Range Finding/Meteorologyplastic/metal

Specially commissioned by Bundesamt für Wehrtechnik und Beschaffung (BWB) as modern day mit Strichteilung version (inner scales calibrated in 6400 milliradians or MILS) of High Altitude Calculator for German Armed forces (NATO NSN No.: 6660-12-140-6737) for global missile trajectories or possibly jet stream & its effect on missiles/planes flying at high altitude
Aristo60147 Waerme- und Dampfpreis-Kalculator Fuel Prices (ver. 4)plastic

Special commission for oil major ESSO - 2 nomograms for heating oil & D&P/Aristo co-branding on back
Aristo60168 StahlgewichtsrechnerSteel Weight Calculatorplastic

Special commission & registered design for German steel foundry Stahlwerke Bochum & Lichtenberg for calculating weight of steel bars, sheets & strips + Table of factors on back of envelope
Aristo60190 GradtagDesktop K Factor Heating Oil Supplyplastic

Specially commissioned by BP Germany for calculating supply requirements of household heating/fuel oil - K Factor is a way of showing (litres/degree day) how fast a consumer uses heating oil (analogy = fuel consumption of a car) 
Aristo90107Lightingplastic

Special commission for German lighting company OSRAM for calculating for calculating lifespan of filament lightbulbs + Table of SCE values on back - see also earlier & narrower version 
Aristo90184Steelplastic

Special commission for German steel foundry BAU-STAHLGEWERBE for calculating sizes of various steel products  
Aristo90192Textileplastic

Specially commissioned by Swiss company Rieter suppling machines/systems for making yarn + specialist scale in well of stock + cm scale & Table of constants on back 
Aristo956 BildflugPhotographyplastic

Specialist model for aerial photography
Get in Touch
  • Address: Wildrijklaan 9, 2171 RG Sassenheim
  • Phone: +31 (0)252 215747
  • E-mail:
Powered by Expression Engine