Improvements in glass guards for miners incandescent lamps.

Title: 
Improvements in glass guards for miners incandescent lamps.
Author/Artist: 
Anton, Peters.
Publisher: 
[London : HMSO], 1925.
Description: 
2 p., [1] folded leaf : ill. ; 27 cm.
Other Authors: 
Great Britain. Patent Office.
Format of Material: 
Patents
Bib ID: 
91449
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Location: 
Secured Stacks - Patents
Call Number: 
No call number available
Holdings Note: 
Currently located in Tracy's office
Notes: 
Patent specification.
Patent no. 231,980 accepted April 16, 1925.
Date of application in the U.K.: Feb. 8, 1924, no. 3339/24.
Stamped "Openbaar gemaakt den 7 Mei 1925."
Stamped "Bibliotheek Bur. Ind. Eigendom 22 Mei 1925."