...collected by a collector. Why? because that was an easy extension of the cats-whisker crystal. The day that point-contact transistors were announced to the lay world... school -- I made one for myself. I used the pellet in a surplus 1N21B radar diode and two cat's whiskers. I had a working oscillator before bed time. Knowledge is power (fleapower in that case). Cool. ...

...collected by a collector. Why? because that was an easy extension of the cats-whisker crystal. The day that point-contact transistors were announced to the lay world... school -- I made one for myself. I used the pellet in a surplus 1N21B radar diode and two cat's whiskers. I had a working oscillator before bed time. Knowledge is power (fleapower in that case). Cool. ...

... transistor, but point contact. Why? because that was an easy extension of the cats-whisker crystal. The day that point-contact transistors were announced to the lay world --... high school -- I made one for myself. I used the pellet in a surplus 1N21B radar diode and two cat's whiskers. I had a working oscillator before bed time. Knowledge is power (fleapower in that case). Jerry -- ...

... transistor, but point contact. Why? because that was an easy extension of the cats-whisker crystal. The day that point-contact transistors were announced to the lay world --... high school -- I made one for myself. I used the pellet in a surplus 1N21B radar diode and two cat's whiskers. I had a working oscillator before bed time. Knowledge is power (fleapower in that case). Jerry -- ...