Concerns Channel B of Armstrong 521 amp, which has various faults. Written on envelope. Includes notes about RIME and word lengths (possibly for a book)

Details

Measurements:
127.00mm (height)
305.00mm (width)
Extent:
1 sheet
Identifier:
MS/2179/084
Access:
Open Access
rights:
Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions

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