Improvements in and relating to means for removing molten glass from glass furnaces.

Title: 
Improvements in and relating to means for removing molten glass from glass furnaces.
Author/Artist: 
Wolf, Jean.
Publisher: 
[London : HMSO], 1920.
Description: 
2 p., [1] folded leaf : ill. ; 27 cm.
Other Authors: 
Great Britain. Patent Office.
Bib ID: 
91209
Notes: 
Stamped "Openbaar gemaakt den 2. Dec. 1920."
Stamped "Bibliotheek, Bureau voor den Industrieelen Eigendom."
Patent specification.
Convention date (Germany): May 8, 1919.
Patent no. 148,556, accepted November 11, 1920.
Date of application in the U.K.: July 10, 1920, no. 20,551/20.