Alexander Graham Bell - Sound Quotes

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'Watson,...if I can get a mechanism which will make a current of electricity vary in its intensity, as the air varies in density when a sound is passing through it, I can telegraph any sound, even the sound of speech.'

Alexander Graham Bell

What is an odor? Is it an emanation of material particles into the air, or is it a form of vibration like sound? If you can decide that, it might be the starting point for a new investigation. If it is an emanation, you might be able to weigh it; and if it is a vibration, you should be able to reflect it from a mirror.

Alexander Graham Bell

'Grand telegraphic discovery today...Transmitted for the first time...With some further modification I hope we may be enabled to distinguish...the 'timbre' of the sound. Should this be so, conversation by telegraph will be a.'

Alexander Graham Bell