Page:US Patent 755840 (Bose's Microwave Apparatus).djvu/1

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No. 755,840.
PATENTED MAR. 29, 1904.

J. C. BOSE
DETECTOR FOR ELECTRICAL DISTURBANCES.
APPLICATION FILED SEPT. 30, 1901.

NO MODEL.

THE NORRIS PETERS CO., PHOTO-LITHO., WASHINGTON, D. C.