Improvements in and relating to apparatus for the manufacture of glass tubes provided with closed ends or bottoms.

Title: 
Improvements in and relating to apparatus for the manufacture of glass tubes provided with closed ends or bottoms.
Author/Artist: 
Glaswerke Ruhr Aktiengesellschaft.
Publisher: 
London : HMSO, 1925.
Description: 
2 p., [1] folded leaf : ill. ; 27 cm.
Other Authors: 
Great Britain. Patent Office.
Bib ID: 
91323
Notes: 
Stamped "Bibliotheek, Bur. Ind. Eigendom, 22 Jan.1926."
Stamped "Openbaar gemaakt den 24.Dec.1925."
Patent specification.
Patent no. 242,213, accepted December 3, 1925.
Date of application in the U.K.: December 15, 1924, no. 30,152/24.
Convention date (Germany): November 1, 1924.