Resource Type

Composition of Matter for Manufacturing Calcium Carbid. (open access)

Composition of Matter for Manufacturing Calcium Carbid.

Patent for a "new and useful Composition of Matter for Manufacturing Calcium Carbid" (lines 5-7) that will aid in the commercially successful production. Patent includes specifications for the composition of matter.
Date: September 7, 1897
Creator: Blum, Sylvain; Eldridge, Hillary; Clark, Daniel J. & Lazarus, Sam
System: The Portal to Texas History
Roller Press for Extracting Oil From Cotton Seed, & c. (open access)

Roller Press for Extracting Oil From Cotton Seed, & c.

Patent for a roller press for the extraction of oil from cotton and other seeds.
Date: December 7, 1897
Creator: Lelardoux, Pierre
System: The Portal to Texas History