Resource Type
Counties
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Aerocompass.
Patent for an aerocompass, which improves upon a compass combined with inclinometers or map-boards. It is intended for use on submarines, airplanes, or in an area when it would be difficult to use a regular compass.
Date:
January 8, 1918
Creator:
Fischer, Fred Charlie.
System:
The Portal to Texas History
Lantern.
Patent for a lantern that has an "exceedingly cheap construction, that is designed for use in high winds, as well as for domestic use, and which may be employed in connection with the ordinary oil and wick or candle" (lines 10-14).
Date:
January 8, 1895
Creator:
Seys, Cornelius D.
System:
The Portal to Texas History