Modern practice of the electric telegraph. A handbook for electricians and operators (1872)
Pope, Frank L. (Franklin Leonard), 1840-1895 · New York : D. Van Nostrand · leaf 189
;...::„:,.., 1 121 Aspen 5>reet, North of 2123 Chestnut Street, Philadelphia, Pa. DAVID BROOKS, Proprietor. L, G, TILLOTSON & CO,, 8 Dey Street, New York, WORKS ON ELECTRICITY AND THE ELECTEIC TELEGEAPH, FOE SALE BY ID. V ^ 1ST 1ST O S T R^ 1ST D, PUBLISHER AND BOOKSELLER, 23 Murray Street…
Telegraph
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Halinitro-pyrobolia : Beschreibu[n]g einer newen Büchsenmeisterey, nemlichen, gründlicher Bericht wie der Salpeter, Schwefel, Kohlen vnnd das Pulfer zu praepariren, zu probieren, auch langwirrig gut zu behalten : das Fewrwerck zur Kurtzweil vnd Ernst zu laboriren, dann wie der Pöler, das grobe Geschütz vnd der Petardo zu gobernirn ... (1627)](https://img.insideoutlibrary.com/img/200/ia-halinitropyrobol00furt-67-0.webp)
