Slide rule and how to use it : containing full, easy, and simple instructions to perform all business calculations wtih unexampled rapidity and accuracy, The
Contains a small slide rule in the cover-pocket. Also contains a 48-page section at the end of the text, which is an adverstisement for other publications by Crosby Lockwood & Son.
Crosby Lockwood and Son
Place of Publication
vi, 104, 48 p.
overall: 1/2 in x 4 1/2 in x 6 3/4 in
Gwen Bell artifact and book collection
Algorithms, tables, and history of calculation books
The Gwen Bell Early Book Collection of Algorithms, Tables, and History of Calculations