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Creator
Oregon State University. Reserve Officers Training Corps
2
Photographer
Keystone View Company
70
Angelus Studio
1
Topic
Radio
74
Portraits
5
College buildings
1
Forest fire fighters
1
Military cadets
1
Military education
1
News radio stations
1
Presidents
1
Radio broadcasting
1
Roosevelt, Franklin D. (Franklin Delano), 1882-1945
1
more ยป
Work Type
lantern slides
70
photographic prints
3
photographs
3
Region
Corvallis >> Benton County >> Oregon >> United States
1
Naval Amphibious Base Little Creek >> City of Virginia Beach >> Virginia >> United States
1
Rights
No Copyright - United States
71
In Copyright
3
License
Creative Commons: Attribution-NonCommercial-ShareAlike 4.0 International
1
Repository
Oregon State University. Libraries
1
University of Oregon. Libraries. Special Collections & University Archives
1
Local Collection Name
Visual Instruction Department Lantern Slides, 1900-1940 (P 217)
70
Oregon State University Military Photographs Collection, 1875-1975 (P 002)
2
Angelus Studio Photographs
1
Harriet's Photograph Collection, 1868-1996 (P HC)
1
Type
Image
74
Format
image/tiff
74
Collection
OSU Special Collections & Archives Research Center
73
Angelus Studio photographs, 1880s-1940s
1
Historical Images of Oregon State University
1
Oregon Explorer
1
Institution
Oregon State University
73
University of Oregon
1
Decade
1880-1889
1
1900-1909
70
1910-1919
1
1930-1939
1
1940-1949
1
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31.
The principle of wireless telephone transmission
32.
General plan of a radio transmitter
33.
A radio direction finder
34.
Inverse duplex circuit
35.
The reflex circuit
36.
Neutrodyne circuit
37.
How a telephone receiver is operated by radio
38.
Relation between wave length and length of aerial
39.
Construction and use of a tuning coil
40.
How a crystal detector rectifies
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