In a message dated 10/10/2009 12:19:08 P.M. Eastern Daylight Time,
[log in to unmask] writes:
Cylinders were very short in duration, first only two
minutes in length
Brown wax cylinders (1890-1901) were recorded at a much slower rpm
(100-120) and hence capable of playing 3- 4 minutes even at the old grooving of
100 tpi. This is all explained in ECR.