Focalite : commercial fixture with lamp focusing device ... externally adjusted.

Title: 
Focalite : commercial fixture with lamp focusing device ... externally adjusted.
Author/Artist: 
Moe-Bridges Company, Milwaukee, WI, USA.
Publisher: 
Milwaukee : Moe-Bridges Company, [1935]
Description: 
1 folded sheet : ill ; cm.
Bib ID: 
60660
Notes: 
Trade catalog.
Dated by vendor.