The Newmanry History

35C Page 284

35 TAPE MAKING AND CHECKING

The successful working of all parts of Mr.Newman's section depended on the

An elaborate system of cheeks for all tapes made was found to be essential

All tapes were made twice independently and compared to ensure that no

This was not strictly a Tunny Room job, but may logically be described here.

It was sometimes necessary to compare two versions of the same tape, ( say

This was normally done on an IBM (preferably) or Angel. The tape to be

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