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- Further Notes on the I-177 Tube Tester, Feb. 1967, p. 46.
- Still More on the I-177, Apr. 1967, p. 54.
- APX-6 Cavity Conversion, Feb. 1968, p. 82.
- Identifying Illegible Type Numbers on Vacuum Tubes,
- Jan. 1969, p. 42.
- Grinding Techniques for Surplus Crystals, Sept. 1969, p. 26.
- AN/ART-13 on 160 Meters, Apr. 1973, p. 61.
- A Twin-Paddle Key Made from Surplus "Straight" Keys,
- Feb. 1973, p. 16.
- A Low-Cost IF Converter for Surplus Panadapters,
- Sept. 1973, p. 43.
- Solid-State BC-221 Frequency Meter, Feb. 1977, p. 35.
- Stabilizing the R-392/URR Receiver, Sept. 1978, p. 36.
- Buying Surplus Gear, Apr. 1978, p. 35.
- More on Solid-State Conversion of BC-221/LM Frequency Meters,
- Dec. 1979, p. 59.
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