Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (59 total)

Television station call letters, The University of Iowa, 1930s

Television station call letters, The University of Iowa, 1930s

W9XK television call letters, used to identify the station at the beginning and end of each of its broadcasts, 1930s.
Map/diagram of Midwest, 1930s

Map/diagram of Midwest, 1930s

Diagram of locations reporting television reception of W9XK, 1930s.
E.B. Kurtz adjusting telecasting equipment, The University of Iowa, 1930s

E.B. Kurtz adjusting telecasting equipment, The University of Iowa, 1930s

An over-all view of W9XK's telecasting equipment, showing scanning unit (at left) and amplifier-monitor panel. Handles on scanner are used to direct scanning beam on object in studio on other side of the wall. Prof. E.B. Kurtz, head of the Electrical…
Ray C. Kent standing behind camera, The University of Iowa, 1941

Ray C. Kent standing behind camera, The University of Iowa, 1941

Television camera employing Iconoscope. Electrical engineering instructor Ray C. Kent is focusing W9XUI camera by adjusting large portrait lens, 1941.
E.M. Lonsdale working on television equipment, The University of Iowa, 1941

E.M. Lonsdale working on television equipment, The University of Iowa, 1941

E.M. Lonsdale making adjustments on monitor panel in W9XUI television broadcasting studio, 1941.
Television equipment: bank of photoelectric cells, The University of Iowa, 1933

Television equipment: bank of photoelectric cells, The University of Iowa, 1933

Prof. E.B. Kurtz, head of the Dept. of Electrical engineering, looking through a bank of ten photoelectric cells mounted in frame for use at W9XK studio, 1933.
E.B. Kurtz tuning a television receiving set at W9XK television station, The University of Iowa, ca. 1933

E.B. Kurtz tuning a television receiving set at W9XK television station, The University of Iowa, ca. 1933

Prof. E.B. Kurtz, head of the Dept. of Electrical Engineering, adjusting a television receiving set manufactured by Echophone Company. Echophone manufactured sets that were capable of receiving the W9XK signal.
Edwin B. Kurtz obituary, January 20, 1978

Edwin B. Kurtz obituary, January 20, 1978

Edwin B. Kurtz was born 1894, died Jan. 14, 1978.
"SUI to broadcast more detailed pictures," July 25, 1940

"SUI to broadcast more detailed pictures," July 25, 1940

Report on newly-licensed W9XUI, broadcasting on VHF television band.
"W9XK sends out sight on 2 wave bands;" "New television device produced at university," May 16, 1935 and January 19, 1939

"W9XK sends out sight on 2 wave bands;" "New television device produced at university," May 16, 1935 and January 19, 1939

1935 article refers to new very high frequency (VHF) transmission equipment, in addition to original 2050 kilocycles frequency. 1939 article refers to the development of a sweep circuit for television recievers.
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