Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Herbert Oscar Seaman
John Edward Rickards
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Individual
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Individual
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Application grantedgrantedCritical
Publication of GB190609648ApublicationCriticalpatent/GB190609648A/en
Non-Portable Lighting Devices Or Systems Thereof
(AREA)
Abstract
9648. Seaman, H. O., and Rickards, J. E. April 25. Grant of Patent refused. Optical - projection apparatus.- Negatives are produced with h a designation, number, or the like second inscription thereon. An auxiliary box 1 for this purpose is designed to be detachably connected to any ordinary camera- It contains a lamp 11, a ticket or the like 8 and holder 7 therefor, and an adjustable lens 3 to reproduce the ticket on the lower part of the plate 9. The front 13 of the frame holds a pneumatic switch by which the lamp 11 can be switched on simultaneously with the exposure of the plate.
GB190609648D1906-04-251906-04-25Improvements relating to Photographic Cameras, and to Auxiliary Apparatus for use in connection therewith
ExpiredGB190609648A
(en)