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.
You searched for: Controller Calculator | |||||
---|---|---|---|---|---|
Model | Type | Material | Comments | Thumbnail | |
(NoName) | Waistcoat Mannheim-like - early | metal | Notably has an inner K scale instead of usual B scale + 3 tables of conversion factors on back |
||
110 R | Pocket Mannheim-like | metal | Table of conversion factors on back |
||
75 R | Waistcoat Mannheim-like | metal | Made for F. Krupp - fan chart of constants on back |
||
75 W | Waistcoat Mannheim-like | metal | Unusual “W” model & monochromic colour scheme + cube chart of conversion factors on back |