p265

Antenna > f.		Bear Frequency Oscillator
	10 MHZ Front End Converter	Superhet Receiver		L.F. Amp.

Figurę 1

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Headphones

-M“

Change-over Switch

Crystai Rectifier .:

-Ił-

Smoothing Capacitor

Photo Sensitive Paper

Paper

Transport

Direction

Cylindrical

^Lens

Projected Light Powerful

Permanent Magnet

Waveform Tracę of Focussed ^

Shadow of Deflected Fibrę

Schematic of Receiver and Eindhoven Galvanometer System as used

€> A. T. LAWTON 8.1.74

by Appleton and Borrow — Kings College, London 1928-29