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Furnace.
Patent for a furnace used in steel making operations to "enable...uniform heating and the dissipation of the black spots" created on some heated materials during the heating process by means of a "lifting means or moveable hearth."
Date:
May 18, 1915
Creator:
Moore, Ralph S
System:
The Portal to Texas History
Garden Implement
Patent for new garden implement that is "a combination of a rake and scraper and which may also be used in the capacity of hoe or allied implement." (lines 11-13), including illustrations.
Date:
May 4, 1915
Creator:
Bozarth, John Alexander
System:
The Portal to Texas History
Threshold
Patent for an improved threshold to fit the bottom of a door more properly to "prevent the entrance of dust, wind, and rain" (lines 16-17).
Date:
May 11, 1915
Creator:
Krause, Ernest
System:
The Portal to Texas History