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

[David Lennick]

I don't have #1015, but from 1016 forward the labels advise using an LP needle.

dl

On 5/8/2012 10:57 AM, Bud Black wrote:
> Were the 7" 78 rpm Bell recordings from the early '50's microgroove?
>
> Bud
>
> Sent from my iPad
>
> On May 8, 2012, at 8:42 AM, David Lennick<dlennick at sympatico.ca>  wrote:
>
>> Definitely vinyl, about the same thickness as a 45 but no raised center.
>>
>> dl
>>
>> 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?
>>>