UNT Libraries Government Documents Department - 6 Matching Results

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Electrical Battery
Patent for an electrical battery. Illustration included.
Electromagnetic Ore-Separator.
Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Moistening and Sprinkling Attachment for Brooms.
Patent for attachment to brooms which enables the moistening of the broom during use to prevent the spreading of dust. One part regulates the flow of liquid to the broom and another provides a container for the liquid. In effect the attachment to the broom makes it into a convertible mop.
Oil Burner
Patent for a oil burner. "This invention relates to improvements in that class of burners used for burning hydrocarbon oils or liquid fuel, and while it is more especially intended to be used for heating steam generators or boiler" (8-12) illustrations included.
Paper Separator
Patent for a paper separator.
Syringe
Patent for a syringe. Illustrations included.
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