Shelfmark
wtt.7
Maker
E. R. Watts & Son Ltd.
Subjects
calculating (slide rules)
Title
Instructions for the use of “Hemmi” bamboo slide rules
Description
Explains how to use various types of slide rule made by the company.
Earliest Date
1900
Latest Date
1970
Pages
None
Address
E. R. Watts & Son Ltd., 104 Victoria Street, London SW1
Other Makers
Cat no
publication no. 220
Contents List
Hardback
Prices
Index
Illustrations
Yes
General Ref
FM:22620
