A Cannon Pinion, 2 pieces (in a small circular metal container with lid.) Accompanying patent documentation in file). A part for inside a clock.
Cannon Pinion is the heart of the motion works. This piece translates the movement of the wheels on the back into the time keeping display on the front.
A "Galena 'Catwhisker' Wireless Detector" used in early crystal radio. Precision crystal detector with iron pyrite crystal, used in commercial wireless stations.
Mounted on a 3/5-inch square, .5-inch high with beveled edge. 2.5-inch glass tube secured between metal pieces. Screw on side of metal bracket can be removed to uncover the glass tube.
