Counties
Day
Language
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Primer for Cannon.
Patent for a new and improved primer for cannons. This design corrects the loosening of primers in their vent-holes by way of "a spring combined with the priming tube, which spring expands to the size of the vent" (para. 3). This eliminates blowouts and premature breakage.
Date:
September 14, 1880
Creator:
Rodman, John Black
System:
The Portal to Texas History