MACHINE TELEGRAPHY SYSTEMS USED IN AUSTRALIA By Ron McMullen former Telegraphist, Telegraph Supervisor, Instructor, Senior Postal Clerk and Postmaster in the former Australian P.M.G. Department. The Wheatstone System The

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Date: 2016-01-14 06:54:34		MACHINE TELEGRAPHY SYSTEMS USED IN AUSTRALIA By Ron McMullen former Telegraphist, Telegraph Supervisor, Instructor, Senior Postal Clerk and Postmaster in the former Australian P.M.G. Department. The Wheatstone System The Add to Reading List Source URL: australiantelegraph.files.wordpress.com Download Document from Source Website File Size: 1,52 MB Share Document on Facebook