Telephonology ; a description of modern telephone appliances. A common sense treatise on the erection, equipment and maintenance of telephone exchanges. Line, instrument and switchboard troubles and their remedies. Apparatus, line and cable testing /

Bibliographic Details

Main Author:	Van Deventer, Harry Randolf, 1877-
Format:	Book
Language:	English
Published:	New York : McGraw-Hill, 1912.
Edition:	3d ed., enl. and cor.
Subjects:	Telephone.