Explanations of switch and signal circuits
Subtitle: a handbook of diagrams and information for electrical signal constructors and maintainers at a glance, all that ordinary signal men need and nothing they do not need
By: phtos. by R.C. Bailey
Contributors: Bailey, R. C., illustrator
Publisher: Doran & Kasner
Published: 1907
Place of publication: New York
Language: eng
Number of pages: 140
Subjects: Railways; Signalling (Electric); Track; Switches; Electricity; Circuits; Electric switchgear