Telegraph swithboards
By: by Louis Casper ...
Contributors: Harry Gregory memorial library
Series: International textbook company. Bluebooks 480; International Textbook Company Bluebooks -- 480
Publisher: International textbook company
Published: 1928
Place of publication: Scranton, Pa
Language: eng
Number of pages: 57
Copyright date: 1928
Subjects: Electric switchgear
Table of contents: title: Pt. 1-2. Telegraph switchboards.