Table of quarter-squares of all integer numbers, up to 100,000, by which the product of two factors may be found by the aid of addition and subtraction alone
Laundy, Samuel Linn
Charles and Edwin Layton
Place of Publication
xxviii, 214 p.
overall: 3/4 in x 7 in x 10 in
"L. M. Milne-Thomson" written in blue pen on first fly-leaf. An appendix is found on pages 205 - 214. There is a supplemental section added into the end, advertising other publications by Charles and Edwin Layton.
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