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in subjects: "Science and Technology - Tools"  
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Steam-Boiler Indicator.

Description: Patent for an improvement in steam boiler indicators to alert when the water has dropped below a specified threshold, including instructions and illustrations.
Date: April 28, 1914
Creator: Marrs, Vollie B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Portable Water-Heater and Steam-Cooker

Description: Patent for a portable water-heater and steam-cooker that "can be adapted for heating water for a variety of domestic purposes, such as for washing clothes and the like, and for supplying steam for scalding clothes, for cooking feed for stock, and for operating a churn or similar device" (lines 14-19).
Date: April 12, 1904
Creator: Staton, John William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gage.

Description: Patent for a measuring gage for measuring rafters that clamps on the wood, has a saw guide line, and eliminates the use of multiple calculation instruments thus making the process simpler.
Date: April 2, 1907
Creator: Morrison, Andrew
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dental Instrument.

Description: Patent for a new dental instrument that extracts "swollen portions of the gum where it extends over the tooth" (lines 11-13), including illustration. Use of the instrument is meant to replace the common, but "objectionable" (line 56), practice of lancing the gum.
Date: April 4, 1916
Creator: Knox, Eldon Lemoin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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