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Improvements in apparatus for automatically controlling the operation of glass ginding and polishing apparatus.

Improvements in apparatus for automatically controlling the operation of glass ginding and polishing apparatus.

Phototropic glass composition and method of treating it.
Search Result 57 of 221
Improved handle for glass-blowing contrivances.
 
 
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Author/Artist: 
Hart, Henry.
Other Authors: 
Great Britain. Patent Office.
Publisher: 
[London : HMSO], 1924.
Subjects: 
Glass manufacture Patents.
Record Number
Bib ID: 
91467
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Description
3 p., [1] folded leaf : ill. ; 27 cm.
Notes
Stamped "Openbaar gemaakt den 25 Sep. 1924."
Stamped "Bibliotheek Bur. Ind. Eigendom 28 Oct. 1924."
Patent specification.
Patent no. 221,029, accepted September 4, 1924.
Date of application in the U.K.: June 19, 1923, no. 15,925/23.