Frederick Bedell, Albert Cushing Crehore: Alternating Currents. An analytical and graphical treatment for students and engineers. 1. Auflage. The W. J. Johnston Co., 1893 (archive.org).
Frederick Bedell: The Principles of the Transformer. 1. Auflage. The MacMillian Company, 1896 (archive.org).
Frederick Bedell, Clarence Albert Pierce: Direct and Alternating Current Testing. An analytical and graphical treatment for students and engineers. 1. Auflage. D. van Nostrand Company, New York 1909 (archive.org).
espacenet.com
worldwide.espacenet.com
Patent US1986955A: Apparatus for bone audition. Angemeldet am 12. Februar 1931, veröffentlicht am 8. Januar 1935, Erfinder: Frederick Bedell.
Patent US228254A: Dental Attachment for Telephones. Angemeldet am 4. November 1879, veröffentlicht am 1. Juni 1880, Erfinder: Henry G. Fiske.
fultonhistory.com
“Frederick Bedell, … has won his long-drawn out legal battle against the Dictograph Products Co., Inc. for unpaid royalties and patent rights for his bone-conduction aid to hearing …”. The DeRuyter Gleaner, Vol.60 No16., 20. Januar 1938.
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