Engineer's slide rule 15" D R Patent No. 173660 in black card case Mannheim-type scales on front

Engineer's slide rule 15" D R Patent No. 173660 in black card case Mannheim-type scales on front, engineers' constants on back

Details

Category:: Mathematics

Object Number:: 1974-268

type:: slide rule (engineering) and slide rule (mannheim)

credit:: Miss I. Rayner-Smith

Cite this page

Rights

We encourage the use and reuse of our collection data.

Data in the title, made, maker and details fields are released under Creative Commons Zero

Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence

Using our data

Download

Download catalogue entry as json

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.

Engineer's slide rule 15" D R Patent No. 173660 in black card case Mannheim-type scales on front

Details

Related Objects

Calculating rule by Lenoir in centimetres with conversions (slide rule)

Sector signed John Allen (sector (Gunter))

Double surface of revolution of constant negative curvature (surface model)

Revolution of constant negative curvature (surface)

Stanhope square demonstrator, c.1805. (logic demonstrator)

Comptometer, manual operation (calculating machine (full-keyboard, adding))