How to restore telegraph keys
By: by W.R. Smith ; text and graphics by W.R. Smith
Edition: 1st ed.
Publisher: W.R. Smith (8049 Camberly Dr., Powell 37849)
Published: 2005
Place of publication: [Powell, TN]
Language: eng
Number of pages: 107
Subjects: Telegraph keys; Maintenance and repair; Design and construction
Notes: Includes bibliographical references.