Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 636
pitch of the sounds in the song but not theirquality {timbre), and the receiver added to the main system of vibrationother sets that belonged to itself, the result being a shrill and by no 584 THE TELEPHONE. means pleasing tone, recalling that of a penny trumpet. Messrs. C. and L.Wray aftei-wards… … •^, 0^ flH an earlier invention of Mr. Graham Bell, a native of Scotland, who hadsettled in the United States. Mr. Bells inventions, it maybe mentioned,were by no means the results of fortunate accidents or of unsoughtand spontaneous flashes of conception, but rather the outcome of long,patient and…
Inventions
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
