Telegraph.
Macnair, Charles Stewart, 1844-1906. *Bentley 100.M2 Self-instruction in practical book-keeping . . . self-instruction in telegraph operating. Practical electric telegraphy. — The tele-
phone simply explained. — Magnetism’s relation to electricity. — Effects of induction and freaks of electricity . .. 2d edition, revised.
= Detroit. Charles S. Macnair Publishing Co. 1890. 246 pp. Illus. Diagrams. Tables. 27 cm.
This card was printed at the Boston @ Public Library February 26, 1937. E1273 — T.r. — Bookkeeping. — Telegraph. — Business,