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Box 1 Folder 10: "This is box 1 number 10 dated July of ’41. Instructions for operating precision series A56 dual sensitivity multi-range tester:…
Box 1 Folder 9: "Box 1 number 9. From July of 1941, it’s a data sheet describing Shore Brothers microphone model 555A. It could have been received…
Box 1 Folder 6: "Box 1 folder 6 is from 1940 approximately. It’s a General Radio Company pamphlet, an instruction manual for a Type 25 A Broadcast…