TO-5 case 3/8" diameter 3/16" high. GI# WO4M or equivalent.
Customer Comments
A customer from ATLANTA, GA US
Lionel train signal controler
There was a plan for a SPDT relay control of a block signal in a recent Classic Toy Train magazine. I used Radio Shack parts for the first one and these from All Electronics for several more. For less than half the price, the later projects work just as well. Thanks.