Shelfmark
Lay.1
Maker
C. & E. Layton
Subjects
calculating (arithmometer)
Title
Improved Arithmometer
Description
opinions on use, testimonials and description and directions of use.
Earliest Date
Latest Date
Pages
14
Address
56 Farringdon Street, London, E.C, England
Other Makers
Cat no
Contents List
Hardback
Prices
Yes
Index
Illustrations
Yes
General Ref
FM:19612
