Latest Demron Stories
By Jim Wyss, The Miami Herald Jul. 14--Ronald DeMeo places a radioactive wafer about the size of a silver dollar on his desk and waves a handheld Geiger counter over it. The machine chatters wildly, the numbers on the readout spin upward and visitors instinctively lean back.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.