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Automatic Boiler-Feed
Patent for a steam boiler which automatically fills the boiler with water to the proper levels and keeps the levels steady.
Date:
August 11, 1908
Creator:
Twombly, Harry Denny
System:
The Portal to Texas History
Saw-Gage.
Patent for improvements on saws by providing “cleaner-teeth and arranged to permit accurate filing of the cleaner-teeth without leaving an undesirable bur and without danger of filing the teeth too short for proper working in a cut.” (Lines 10-14) Illustration is included.
Date:
June 11, 1901
Creator:
Steele, Daniel Carlos
System:
The Portal to Texas History