Resource Type

Annunciator. (open access)

Annunciator.

Patent for improvement in annunciator by “providing a circuit-closing attachment for annunciators by means of which an electric lamp will be lit when the annunciator-drop falls.” (Lines 15-18) Illustration is included.
Date: October 20, 1891
Creator: Fouts, Lambert F.
System: The Portal to Texas History
Ice-Cream Freezer (open access)

Ice-Cream Freezer

Patent for "an improvement in that class of ice-cream freezers in which the cream is taken up and frozen by contact with a revolving cylinder containing some refrigerant, and is removed therefrom by means of a suitable scraper" (lines 7-12).
Date: January 20, 1891
Creator: O'Neall, James M.
System: The Portal to Texas History