Wintringham 'On the Variation of Generated Frequency of a Triode Oscillator due to Changes in Filament Current, Grid Voltage, Plate Voltage, or External Resistance' by Keith B. Articles in this issue include: 'Note on the Effect of Reflection by the Microphone in Sound Measurements' by Stuart Ballantine 'The Receiving System for Long-Wave Trans-Atlantic Radio Telephony' by Austin Bailey, S.W.
The journal will be bubble-wrapped and carefully packed in a sturdy box to ensure safe transit. Most pages have a mildly bent corner or two. Light soiling and some more prominent speckles and small spots or marks on the front and back covers. Pages lightly toned but clean and unmarked.
Dust Jacket Condition: No Jacket As Issued.
