UNT Libraries Government Documents Department - 6 Matching Results
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- Clinical Thermometer.
- Patent for a new and improved thermometer. This design has "[u]pon the body of the instrument a scale, preferably equivalent to the centigrade . . . in which the zero-sign is placed at the normal temperature of the body, each degree being divided into five or ten parts according to the size of the instrument and reading supernormal and subnormal degrees" (lines 20-26).
- Dumping-Car.
- Patent for a dumping car in "which contents of the car may be readily discharged" (lines 11-12) including illustrations.
- Extensible Trestle.
- Patent for an improvement to extensible trestles for masonry and carpentryscaffolding and other uses, including both instructions and illustrations.
- Flue-Cutter
- Patent for a flue cutter with a pair of pivoted arms, which can be detached, and a cutter-head.
- Automatic Switch
- Patent for an automatic switch for street railways.
- Filtering Material.
- Patent for "improved filtering stuff composition" (lines 8-9), containing vegetable ashes and an insoluble binding agent for the purpose of purifying liquids.