Inside Out Library
Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems (1921)
Smith, Arthur Bessey, b. 1875, Campbell, Wilson Lee · New York : McGraw-Hill · leaf 147
Slip Desired Supports Slih-5- hkkk kkkk 4-5-6 7-8-9 10-11-12 SLrS^Z SL-5~>2 I>-|4-I5 SLtSM … Terminal Assembly to Secure Desired Slip Short Mult, J^mp TermSLSTelephone
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
More pictures from Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems
More like this
