crystal mitrek harmon

  1. M

    Can anybody recomment a Crystal house?

    Can anybody that has worked on old radios recently, point me to a crystal manufacturer that can cut crystals for 2 older type radios? One is the old Harmon "4R series railroad radio", which had modular and removable transmitter (33 TS-1) and receiver (28RS-1) modules. They each have removable...