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
"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.
Laundy, Samuel Linn
Charles and Edwin Layton
Place of Publication
xxviii, 214 p.
overall: 3/4 in x 7 in x 10 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