Improvements in burners for fire-polishing glass ware.

Title: 
Improvements in burners for fire-polishing glass ware.
Author/Artist: 
Haddan, Reginald.
Publisher: 
Great Britian : HMSO, 1920.
Description: 
3, 1 p. : ill. ; 26 cm.
Bib ID: 
78499
Notes: 
Patent no. 149,888.
Complete specification for patent application together with drawings.