Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 193
LETTERED CIRCLESINDICATE HOLES INPRINTER BASE SEEFIG 51. Fig. 50 Page 20 Section 5-A Adjustments Multiplex System 263-C … Table of Contents Section 5-B Multiplex Specifications 263-C The Western Union Telegraph Company SPECIFICATIONS FOR THE MULTIPLEX PRINTING TELEGRAPH SYSTEM SECTION 5-B PRINTER 3-A These Specifications are the property of the Western UnionTelegraph Company and shall not be published. CONTENTS…
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