Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 236
- hinged on their backboards soas to allow them to swing out from the wall, the cable leading to … FTG, iriT.-STF.KLINd .SECTIONAL 1;0.\RD the apparatus witliin being provided with a knee ..r hinge to allowa sufficient movement of the cabinet. The particular switch-board shown in this cut is one manufacturedby the Stromberg-Carlson Company, and, as will be seen, the linesare ui each case…
Telephone
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![An illustration from Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)](https://img.insideoutlibrary.com/img/200/ia-cu31924022817674-82-33.webp)
