Interested in finding out more out about such calculating wonders?
Then try one of the slide rule related articles (often light-hearted) I have published.
Go to the search papers page.
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Extra accuracy from the long-scale C scale
|1300/1301||Pocket Basic long-scale||aluminium/plastic||
Stands out from Basic models from other makers because of quality & long-scale spiral D scale
|1300/1302||Pocket Basic long-scale||aluminium/plastic||
Stands out from Basic models from other makers because of quality & long-scale spiral D & K scales
|2001 PfiffiKUS||Lilliput Basic long-scale - early||aluminium/plastic||
PffifiKUS = smart aid (later version duplex) - innovative but impractical single scale design & a pain to calculate with
Superb & unusual design + magnifying bar held in position magnetically + 6 interchangeable discs/scale layouts
|4605 Tankboy||Pocket Conversion||plastic||
Slide chart for fuel(tank) consumption
|5105 pr‰miller||Pocket Alcohol||plastic||
For calculating legally allowable units of alcohol/type of drink for given body mass
Slide chart specially commissioned by De Beers Industrial Diamond Division
Slide chart specially commissioned Eckardt Mess- und Regeltechnik - pressure conversion on front & temperature conversion on back
Calorie Counter based on patented (DE2160413) design by Heinrich Kundisch + table of calorific values of many foods