UNT Libraries Government Documents Department - 3 Matching Results

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Railway-Switch-Locking Device.
Patent for "a switch-locking device comprising a lock contained within the switch-lever of the switch-stand, by the use of which the switch may be more quickly and positively manipulated and finally locked in position" (lines 3-7).
Shoe-Lace Fastener.
Patent for a barbed metal clasp designed to hold a shoelace knot together.
Water-Closet Flush.
Patent for a siphon flushing apparatus for water-closets in which it will regulate the quantity of the water being discharged at each flushing; at the same time it can prevent water leakage. Illustration is included.
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