Country
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Improvement in Apparatus for the Manufacture of Ice.
Patent for improvements on machinery for the manufacture of ice.
Date:
August 29, 1871
Creator:
Sears, James E.
System:
The Portal to Texas History
Improvement in Ice-Machines.
Patent for improvements to the construction of "of the various parts of the [ice machine], whereby the reconversion of the ether into liquid before it reaches the freezing-vessel or chamber is better assured" (para. 3).
Date:
December 12, 1871
Creator:
Mühl, Andrew
System:
The Portal to Texas History