Acetylene-Gas Machine (open access)

Acetylene-Gas Machine

Patent for a acetylene gas machine that automatically controls the flow of carbid or gas producing material into the generator "by means of a float and lever connection with the valve of the carbid hopper" (lines 19-21).
Date: May 7, 1907
Creator: Ricketts, James R.
System: The Portal to Texas History
Replanter. (open access)

Replanter.

Patent for Replanter. "This invention relates to replanters and it has for its object to produce a simple and improved device capable of being readily attached to and used in combination with an ordinary cultivator for the purpose of planting seeds where the seeds previously planted have failed to sprout as will appear at the time when the plants are first cultivated." (line 2)
Date: May 7, 1918
Creator: Cantrell, William
System: The Portal to Texas History