[NJARC] Re: Record speeds

[Harry]

Thanks Alex.  I enjoyed what you wrote in Phil's book.  That looks just
as interesting.

Harry 


--- amagoun <amagoun at davidsarnoff.org> wrote:

> Visit our web site - See http://www.njarc.org
> _______________________________________________
> Harry,
> 
> You'll be among the first to know!  If you can't wait and must have
> the
> bigger, longer, uncut dissertation it's titled "Shaping the Sound of
> Music: The Evolution of the Phonograph Record, 1877-1950" (U.
> Maryland,
> 2000).  It explains how inventors, entrepreneurs, and consumers
> sometimes coincide and often conflict to improve the various
> qualities
> of sound records.  It's available, warts, 580 pages, and all, in
> paper
> or other formats from ProQuest, which handles the on-demand
> publication
> of all North American dissertations back to 1869.  I've just looked
> at
> its site, which is focused on the academic market (I've made the case
> that they should loosen up for all those non-academics interested in
> history and limpet digestive systems, but what do I know?) and the
> price
> is up to $41 for an unbound version you could get fixed up at a copy
> shop, and YOW--$78 for softbound.  No wonder my royalties are so
> small,
> but visit http://wwwlib.umi.com/dxweb/neworder if you're interested.
> 
> Jim,
> 
> No doubt you're curled up with that nice Victor patent book in your
> lap,
> and the significant (i.e. litigated) Berliner patent is 534,543,
> which
> combined lateral recording with the stylus "vibrated and propelled by
> the same [groove]. . ."  Again, Edison and Bell and Tainter of
> Columbia
> had experimented earlier with disc records but stuck with cylinders
> for
> their convenience in once-only read-write applications in
> stenography.
> Berliner's conception of a home market resulted in ideas enabling
> mass-produced read-often discs from a single master.
> 
> As to standard speed, Edison reluctantly adopted discs in 1913 after
> going through a variety of speeds on his commercial, 35-50-cent
> cylinders.  Courtesy of www.tinfoil.com/trc-do.htm#date-type:
> 
>  Brown wax (120-rpm)          1897 to 1898 (varies)
>  Brown wax (125-rpm)          Late-1898 to 1900 (varies)
>  Brown wax (144-rpm)          1900 to July 1902
> 
> Columbia went through a longer evolution:
> 
>  Brown wax (120-rpm)          1890 to 1900
>  Brown wax (125-rpm)          1899 to 1900 (varies)
>  Brown wax (140-rpm)          1900 to mid-1902
>  Brown wax (185-rpm)          1901 to 1902
>  Brown wax (160-rpm)          Mid-1902 to July 1904
> 
> Molded black-wax and Amberol recordings became standard at 160rpm,
> apparently for both companies, per www.nipperhead.com/faq.htm.  It's
> hard to say that Edison discs had a standard playing speed as his
> springwound turntable offered adjustable speed just like Victor and
> Columbia.  Columbia tried to establish 80 rpm as its standard for
> discs,
> though you won't find it listed on the records, after Berliner and
> Victor oscillated over 10 years through trial, error, and mistakes
> between 60 and 90 rpm before getting close to 78, and then continued
> to
> leave it to the listener to adjust as she or he desired:
> http://hypertextbook.com/facts/2000/AlexandraGrosman.shtml.  Don't
> you
> ever get the urge to dance to "Duke of Earl"
> (www.stinalisa.com/Earl.html) at double time?
> 
> cheers,
> Alex
> 
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> 



 
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