Resource Type

States

Punch. (open access)

Punch.

Patent for a metal punch for use on cold metal. It is designed to sit atop a blacksmith's anvil.
Date: December 24, 1901
Creator: Tevebaugh, Henry C.
System: The Portal to Texas History
Acetylene-Gas Apparatus. (open access)

Acetylene-Gas Apparatus.

Patent for improvements in “gas-machines in which the gas is generated from calcium carbid; in which the gas will be thoroughly washed before passing to the distributing-pipe, thus affording a pure white light, and further to provide a means for running off coal-tar that may gather on the top of the water in the machine.” (Lines 9-18) Illustration is included.
Date: December 11, 1900
Creator: Metzger, Frederick
System: The Portal to Texas History