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A letter from Thomas Edison to Malcolm MacLaren of Princeton dated 5 January 1916, describing a dynamo, catalog number 315800. Transcription: "Referring to our recent correspondence in regard to the ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!395617~!0#focus ...
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