Society of Glass Technology · [Sheffield] · leaf 749
Fio. 246 266 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. … Fio. 247. 371. Cracking-off and Remelting Machine. Albert B.Knight (U.S.A. Pat., January 1st, 1918, No. 1251541. Filed November 28th, 1918, No. 133939).—T h e inventionconsists of amachine for crack-ing-off and glazingthe ends or necksof electric lampbulbs (or of otherglass articles withnecks) so…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
