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).
Patent for "improved filtering stuff composition" (lines 8-9), containing vegetable ashes and an insoluble binding agent for the purpose of purifying liquids.
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