Search Results for: Audio frequency electric
. ^ "mr henry sutton, music seller, of sturt street, ballarat, has applied for a patent for improvements in electric circuits for telephone purposes": the ballarat star, (monday, november ), p. . ^ sutton, h., "photographing the cholera germ (letter to the editor, dated december )", the argus, (monday
sutton—tatti, the leader, (saturday, october ), p. . patents[ edit ] ^ au-vic victoria government gazette , friday, october th , victoria government gazette , friday, november th , photography patent , october th. no. , ballaarat mechanics' institute, branch ( ). p. . ^ au an improved detector of electric...
https://en.wikipedia.org/wiki/Henry_Sutton_(inventor)