Photoelectric ell applications ; a practical book describing the uses of photoelectric cells in television, talking pictures, electrical alarms, counting devices, etc. /

Bibliographic Details

Main Author:	Walker, Ronald C.
Other Authors:	Lance, T. M. C.
Format:	Book
Language:	English
Published:	London : Sir I. Pitman & sons, ltd., 1935.
Edition:	2d ed.
Subjects:	Photoelectric cells.