Introduction : "We were heavily armed, and we had crystals"
From wire to wireless : the development
and acceptance
of tactical radio
Crystal control
the great gamble
The Signal Corps lays the foundation
Nothing else to do but grind crystals
Riding the "Flat Wheel Limited"
overseeing a mass production industry
Supplying a mass production industry
the civilian government steps in
"The whole radio crystal program of the Armed Services depends upon the success of the procurement program in Brazil. Nothing must be allowed to interfere with it"
"God made lots of small crystals"
The aging crisis
stopgap measures
The aging crisis
physics to the rescue!
"Without crystals, you have radio; with them, communications"
Appendix 1 : Crystal-controlled equipment
Appendix 2 : Crystal manufacturers.