The Newmanry History

51 Page 325



51 INTRODUCTORY

This is a strictly functional and non-technical account of the machines

Some attempt is made to avoid statements technically false, but none to

The terminology is that of the layman and cryptographer: for example a

Such history as is included is a description of development and lacks

Colossus and Robinson receive detailed treatment, for in large measure it is

Copying machines are indispensable but less distinctive, and are treated

The specialized counting machines, Dragon, Aquarius, Proteus are treated

The pre-eminence of Colossus and Robinson is manifest.

The need for a "Tunny" machine to decode messages, or, as an intermediate

The need for efficiency in other copying machines is apt to be overlooked;

As a matter of general interest it may be mentioned that on the existing

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