Here are some Crystals for various GE radio products, for the Amateur radio / Ham Bands. The are manufactured by GE, or ICM.

1 Each 52.640 RX GE Mastr 4ER46A19 RX Fo 15.78000 X3 = 47.34 + 5.3 = 52.640 
1 Each 147.045 RX GE Mastr and PMI RX Fo 52.581666 X 3 =157.74498 - 10.7 = 147 045