The Tone Tests were one many promotions sell the
machine its superior sound.
2) Frow, Edison Diamond Discs, pp.
.
3) Meadowcroft Mallory, May 1922, box, bio M. Free
trials the new disc machines were offered prospective
customers the belief that one listen the sound would make
the sale. devised various
comparison tests and free trials Edison disc machines.
NOTES
1) TAE annotation Amusement Phonograph Committee minutes, 17
Jan 1913.236-242. TAE Inc.
Edison devoted more time marketing the 1920s— after he
had solved the technical problems.2
little stage craft involved convincing the audience that the
machine could perfectly mimic the human voice, yet Edison did
prove his point that the diamond disc was the ultimate sound
. 1922 was busy working
3
out new ideas for demonstrations and sales promotions. 2
reproduction. Unfortunately, perfect recreation failed impress
the many customers who were looking for the largest record
library. Here another example Edison's reliance on
technical features the detriment the commercial realities
of the phonograph business
