The Telegraphist's Vade Mecum, and Vocabulary of the English Language, Numerically, and Alphabetically Arranged, on New Principles, Calculated for the Various Symbols Used for Telegraphic Correspondence, from the Homograph to the Semaphore and Crescent, by Single and Double Numerical Tables, Applicable to Naval, Military, Commercial, and Official Messages on Any Subject, in the Most Simple, Comprehensive, and Expeditious Manner
Author : Joseph Conolly
Publisher :
Page : 166 pages
File Size : 23,81 MB
Release : 1818
Category : Telegraph
ISBN :