Patent for a core drill for making bore holes in rocks to get out solid samples of the inside of rocks, which has an improved grabbing method for retrieving the piece of rock inside the hole.
Patent for an engine valve mechanism. This invention is a "class of steam engines wherein the cylinder-inlet and exhaust-ports are controlled by separate and distinct values." Illustration included.
Patent for an insect destroyer. "This invention relates particularly to that class of insect destroyers which contain pans of liquid into which the insects are shaken or enticed" (line 15-18). Illustration included.
Patent for "a mail-box adapted to be placed at or on the house of the person receiving the mail, so as to facilitate a house-to-house delivery" (lines 8-11).
Patent for improvements on saws by providing “cleaner-teeth and arranged to permit accurate filing of the cleaner-teeth without leaving an undesirable bur and without danger of filing the teeth too short for proper working in a cut.” (Lines 10-14) Illustration is included.
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