Don't say "glass cutter", say "Trojan".

Title: 
Don't say "glass cutter", say "Trojan".
Author/Artist: 
Glaziers' Tool Manufacturing Corp., Chicago, IL, USA.
Publisher: 
Chicago, Ill. : Glaziers' Tool Manufacturing Corp., [n.d., 1920s]
Description: 
[16] p. : ill. ; 13 x 18 cm.
Bib ID: 
131082
Notes: 
Purchase; eBay; 2012; 1000123460
Cover title.
Trade catalog.
Accompanied by 2 sheets: Black felt for automobile glass ; and Triangle points-all sizes.
Series: 
Catalog ; no. 19