Ladd's discount book.
Subtitle: Number three. More than three hundred thousand absolutely correct computations
By: comp. and ed. by William J. Ladd ...
Publisher: Ladd's discount book, inc.; for sale also by Sargent & co.
Published: 1915
Place of publication: New Haven, Conn; New York
Language: eng
Number of pages: 576
Subjects: Discount -- Tables
Notes: At head of title: A book for every day.