Resource Type

Acetylene-Gas Generator (open access)

Acetylene-Gas Generator

Patent for an acetylene-gas generator which automatically feeds carbid to the generator and in which the gas generated is washed within the bell.
Date: August 21, 1906
Creator: Nunn, John W. & Griffin, Thomas D.
System: The Portal to Texas History
Connecting Arch For Cultivators (open access)

Connecting Arch For Cultivators

Patent for connecting arch for cultivators. This invention controls multiple cultivators gang. Illustration included.
Date: August 9, 1904
Creator: Schulz, Ernest
System: The Portal to Texas History
Seed-Planter. (open access)

Seed-Planter.

Patent is for a seed planter that plows and seeds at the same time.
Date: August 4, 1903
Creator: Ferriott, Charles L.
System: The Portal to Texas History