Description: This collection of letters and articles was gathered by John Pfeiffer while he was preparing his book on radio astronomy and its history, The Changing Universe (Random, 1956). Pfeiffer gave the letters to Kraus, who transmitted them to the Ohio State…
Description: In November 1933 Kraus, operating as W8JK, made ham radio contact with ON4CSL in the Belgian Congo, a station operated by Carroll Stegall, an American missionary who had lived in the Congo for 20 years. Kraus began regular contact with Stegall, and…
Description: This unit includes correspondence from 1935-1940 originally filed by Kraus in a single folder labeled "Antenna Correspondence." The majority of the correspondence is on the flat top beam antenna, but other types of antennas, their construction and…