A treatise on telephony
By: prepared for students of the International Correspondence Schools, Scranton, Pa. ...
Edition: 1st ed.
Publisher: The Colliery Engineer Co.
Published: 1900
Place of publication: Scranton
Language: eng
Subjects: Telephone.
Table of contents: title: v. I. Arithmetic, mensuration, elementary algebra, and trigonometric functions, elementary mechanics, principles of electricity and magnetism, electrical measurements, batteries.; title: v. 2. Telephony.; title: v. 3. Tables and formulas.; title: v. 4. Answers to questions.