Ayyyyyyy-Men! Doug. Houston ----- Original Message ----- From: "Bruce Mercer" <[email protected]> To: <[email protected]> Sent: Saturday, April 29, 2006 3:50 PM Subject: [Phono-L] The Practical Long Play Record
> > > >> ------------------------------ > >> 3. If 33.3rpm Vitaphones were a Victor concern (right? weren't they?), >> and >> Edison invented the microgroove (as well as the micromicrogroove with his >> almost unplayable 80rpm LP's), and Victor combined a type of microgroove >> with their PT LP's, then exactly what did Columbia get credited for >> "inventing" in 1948? >> >> >> Again, many thanks to you all, >> Robert >> > > Since Edison did invent the first true microgroove record and a special > elliptical stylus for playback, even though they were years ahead of their > time in practicality, Columbia can be given credit for marketing the first > 'practical' and successful L.P. record. This is in no small part due to > the > lightweight pickups developed by G.E. and Pickering in '47-'48, such as > the > G.E. VR. Also, vinylite was an added bonus as a quiet surface with little > noise. Without these benefits it too would have been a commercial failure. > That Edison was able to process a groove that small and an elliptical > stylus > in that time is amazing to me. One wonders how much of that work was > borrowed by Columbia. You have to remember that even Columbia's L.P. did > not > have as small a groove as the Edison L.P.. It's easy to see just how > significant those light weight pickups were to microgroove records in > general. Edison was just way ahead of his time. > Bruce > > > > > _______________________________________________ > Phono-L mailing list > [email protected] > > Phono-L Archive > http://phono-l.oldcrank.org/archive/ > > Support Phono-L > http://www.cafepress.com/oldcrank >
