Magazine type magnetic recorder and reproducer
United States Patent 2422143
Inventors:
Somers, Richard M.
Camp, Roscoe Van C.
Publication Date:
06/10/1947
Assignee:
EDISON INC THOMAS A
Other Classes:
360/90, 318/286, 360/132, 318/282, 242/341
International Classes:
G11B15/18; G11B15/44; G11B15/675