Object appears to have been rebuilt. Notes on back with general instructions on using unit. Penciled notes on masking tape and on aluminum panels regard settings. Round blue sticker on the front.
Manufacturer
ALFED ELECTRONICS
Place Manufactured
Palo Alto, CA, U.S.
Identifying Numbers
Model number
252
Other number
S-5971
S-5971 On property tag that states "General Electric Microwave Laboratory Palo Alto, CA Capital Equipment number S5971"