A Keuffel & Esser Thacher's calculating machine with case; image credit on full record.
image credit on full record.
image credit on full record.
image credit on full record.
Find Current Values for your Antiques!
Calculator; Keuffel & Esser, Thachers, Model 4012, Case.
An American Thacher's calculating machine, first half 20th century. Made by Keuffel & Esser Co., New York. Cylindrical device with rotating center sec... [more detail available via subscription]
