Improved handle for glass-blowing contrivances.

Title: 
Improved handle for glass-blowing contrivances.
Author/Artist: 
Bartl, Karl.
Publisher: 
London : HMSO, 1924.
Description: 
[1] p., 1 folded leaf : ill. ; 27 cm.
Other Authors: 
Great Britain. Patent Office.
Bib ID: 
91240
Notes: 
Stamped "Bibliotheek, Bur. Ind. Eigendom, 11 Jul. 1924."
Stamped "Openbaar gemaakt den: 26 Juni 1924."
Patent specification.
Patent no. 216,779, accepted June 5, 1924.
Date of application in the U.K.: October 24, 1923, no. 26,556/23.