Shelfmark
Gen.4
Maker
General Electric Company Ltd.
Subjects
optical (photo cells)
Title
Osram Photo Cells (Type CM)
Description
Osram photo cells (improved type C.M.G.8)
Earliest Date
1935
Latest Date
1935
Pages
4
Address
Magnet House, Kingsway; London; W.C.2
Other Makers
Cat no
O.S. 5802
Contents List
Hardback
Prices
Index
Illustrations
Yes
General Ref
FM:19141
