Signal training.

[by K.E. Edgeworth]
Vol. II. - pt. I. Theory of electricity and magnetism as applied to telegraphy and telephony
Bibliographic Details
Main Creator: Great Britain. War Office.
Format: Book
Language:English
Published / Created: London, H.M.S.O., 1923.
Notes:Physical description: 172 p. diags. 19 cm.