[78-L] When is a microgroove not a microgroove?

David Lennick dlennick at sympatico.ca
Tue May 8 05:42:11 PDT 2012

Definitely vinyl, about the same thickness as a 45 but no raised center.


On 5/8/2012 8:38 AM, Ron L'Herault wrote:
> Vinyl or still shellac?  If shellac, maybe they figured kids were still
> using steel needle kiddie machines?
> Ron
> -----Original Message-----
> From: 78-l-bounces at klickitat.78online.com
> [mailto:78-l-bounces at klickitat.78online.com] On Behalf Of David Lennick
> Sent: Monday, May 07, 2012 11:44 PM
> To: 78L
> Subject: [78-L] When is a microgroove not a microgroove?
> I have 4 7-inch 78s pressed (uncredited) by Decca, given as premiums by the
> Quaker Oats Company or something like that..the theme and 3 stories in the
> Sergeant Preston of the Yukon series, issued in 1952. You would think they
> were microgroove, but a .7 stylus gives a very hissy output..I thought this
> was poor pressing material, but I tried a 2.0 mil truncated elliptical
> stylus and the sound was perfect. Discs are near mint, so this doesn't seem
> to be a matter of the discs having been chiseled out. How come this, how
> come?
> dl

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