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June 30th, 1931 letter from George H. Clark

June 30th, 1931 letter from George H. Clark

June 30th, 1931
RADIO CORPORATION OF AMERICA RCA RADIO MUSEUM BOARD G.H. CLARK, Secretary MUSEUM HEADQUARTERS, 75...

June 12th, 1931 letter from Waldemar Kaempffert to Nikola Tesla

June 12th, 1931 letter from Waldemar Kaempffert to Nikola Tesla

June 12th, 1931
The New York Times Times Square June 12, 1931 Dear Mr. Tesla: Let me join the hundreds of your...

June 8th, 1931 letter from Comfort A. Adams to Nikola Tesla

June 8th, 1931 letter from Comfort A. Adams to Nikola Tesla

June 8th, 1931
HARVARD UNIVERSITY THE HARVARD ENGINEERING SCHOOL Comfort A. Adams Pierce Hall Cambridge,...