Engineer's slide rule 15" D R Patent No. 173660 in

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)
credit:
Miss I. Rayner-Smith
status:
Permanent collection

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.