Letter from William Grey Walter to John Walton, 1 April 1943

Gives a poor opinion of all the possible manufacturers of his frequency analyser, as proposed by Walton in BURD/A/6/W10.

Details

Measurements:
255.00mm (height)
203.00mm (width)
Extent:
1 carbon letter
Identifier:
BURD/A/08/W11
Access:
Open Access
rights:
Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions

Browse this archive