An improved process of and apparatus for producing alumina and glass-making salts.

Title: 
An improved process of and apparatus for producing alumina and glass-making salts.
Author/Artist: 
Frink, Robert Leonardson.
Publisher: 
London : HMSO, 1924.
Description: 
8 p., 1 folded leaf : ill. ; 27 cm.
Other Authors: 
Great Britain. Patent Office.
Bib ID: 
91232
Notes: 
Stamped "Bibliotheek, Bur. Ind. Eigendom, 11 Jul. 1924."
Stamped "Openbaar gemaakt den 12.Jun.1924."
Patent specification.
Patent no. 215,810, accepted May 15, 1924.
Date of application in the U.K.: January 15, 1923, no. 1301/23.
Date of application in the U.K.: October 4, 1923, no. 24,711/23.
One complete left: November 3, 1923.