Signals Museum books for sale

The director system of automatic telephony

Make us a sensible offer for this book (including postage)
and it will probably be yours.
To give you some idea as to the value and postage, see the links below,
(which may not always find the right book) but do take into account that the condition of our book may not be perfect.

ABE books

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The director system of automatic telephony (Photograph Number 0273)

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