Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 329
Fig. 8 Page 6 Section 8 Multiplex System 263-C NOTE-HEAVV LINES INDICATE NEW WIRIN6 … 1 Section 8 Adjustments Multiplex System 263-C ADJUSTMENTS 1. The test distributor shall be kept clean and oiled, motor bearing and gears properlypacked with a good quality heavy oil such as the New York and New Jersey LubricantCompanys No. K-00 Special Non-Fluid Oil. 2. The leather friction wheel…
Telegraph
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from The Telegrapher [microform] (1864)](https://img.insideoutlibrary.com/img/200/ia-telegrapher04nati-64-27.webp)
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-400-174.webp)