Invention; Glass Batch Mixer

[Trade Journal]

Publication: Pottery & Glassware Reporter

Pittsburgh, PA, United States
vol. 10, no. 12, p. 13, col. 1-2

INVENTIONS

290,741 [sic] 290,771, GLASS BATCH MIXER. — To Ralph G. Hemingray, Covington, Ky., for a machine for mixinig batch for making glass.