Operation and adjustments of the automatic three wire telephone (1915)
Decker, Benjamin Harrison · leaf 23
y operations take place in the differ-ent instruments at different times and these \ndll he taken upalong with the main operations in detail. In conclusion let the reader understand, that all opera-tions, troubles, and adjustments discussed in the following sec-tions, are locnl or are those which… … _ J L_4
Telephone · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
