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Range-Finder for Rifles.
Patent for range-finder for rifles, with illustrations. The invention "is adapted for ready application to a rifle by producing a simple dovetailed groove in the stock or stock-tip, near the front end" (lines 9-12).
Date:
May 22, 1883
Creator:
Ord, Edward O. C., Jr. & Kress, John A.
System:
The Portal to Texas History
Uterus-Battery.
Patent for "a simple and compact electrical or galvanic device, adapted, when placed in the womb of a patient, to develop a mild electric action and thereby promote the flow of the menses and render the same regular and painless" (lines 16-19).
Date:
May 22, 1894
Creator:
Hinkley, Charles Samuel Whitney
System:
The Portal to Texas History