Ready-to-build telephone enhancements
By: Delton T. Horn.
Edition: 1st ed.
Publisher: TAB Books
Published: 1994
Place of publication: Blue Ridge Summit, PA
Language: eng
Number of pages: 186
Subjects: Telephone -- Equipment and supplies -- Design and construction -- Amateurs' manuals.; Electronics -- Amateurs' manuals.
Notes: "Remote ringer devices, extension dialing indicator, telephone line tester"--Cover.
Includes index.