They don't write manuals like this anymore...

[Michael Katzmann]

Manual for the Murphy B40 HF radio receiver - May 1956 - they just don't
write manuals like that any more.

"Handbook for A.P. 57140 Series Receiver B40" having been approved by My
Lords Commissioners of the Admiralty is hereby promulgated."

http://www.portabletubes.co.uk/boats/MurphyB40Manual.pdf
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