R.A.F. Henlow Signals Museum Exhibits for disposal

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Morse Creed Keyboard Perforator 9	Morse Fullerphone MkV	Morse Telegraph Undulator 309	Morse Transmitter 112	Pip Squeak

This item has been allocated and so is no longer available

Great Northern Telegraph
Undulator Model 309

This unit was used for recording Morse telegraph signals on a paper tape at speeds up to 300 words per minute.

The tape drive speed is variable from 7 to 45 feet per minute.

This unit is Serial No. 80722.

Morse Telegraph Undulator 309 (Photograph Number 0017)

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