[78-L] Approximating 78s age by physical characteristics

[David Lennick]

Indeed..no idea why they started dubbing popular material since the dubs are 
the shits more often than not. Centering records? Who needs to do that? At 
least the classical dubs were done by EMI, although it's weird when you find a 
later pressing of an album set where some sides are dubs and others are not.

dl

On 3/4/2013 10:43 AM, Royal Pemberton wrote:
> And weirdly enough one Royal Blue I have, with Henry Hall on one side and
> Lew Stone on the other (3114-D) uses US-dubbed matrices numbered in the
> ARC/Columbia series with eccentrics; the Hall was dubbed from UK Columbia
> matrix CA.15445-1 of 13 November 1935, the Stone from Regal Zonophone
> matrix CAR.3680-1 of 21 October 1935.  Both presumably with eccentrics on
> the originals.
>
> On Mon, Mar 4, 2013 at 3:34 PM, David Lennick<dlennick at sympatico.ca>  wrote:
>
>> US Columbia also pressed from dubbed masters for a couple of years, even on
>> classical recordings, to avoid that eccentric groove that all the EMI
>> labels
>> were using as of the merger.
>>
>> dl
>>
>> On 3/4/2013 10:31 AM, Royal Pemberton wrote:
>>> Curious about Victor saying publicly they're OK with other companies
>> using
>>> the eccentric stop groove in November 1934....I wonder if Columbia ran
>> into
>>> trouble with them earlier in the year?  As the few May 1934 Columbia
>> sides
>>> I have end with eccentrics and the August 1934 Columbia I have, 2942-D,
>>> which has (AFAIK) the lowest numbers in the CO-prefixed ARC numerical
>>> series (CO.15541 and 15542) has instead the older concentric stop groove.
>>>
>>> On Mon, Mar 4, 2013 at 3:06 PM, Milan Milovanovic<
>>> milanpmilovanovic4 at gmail.com>   wrote:
>>>
>>>>
>>>> Consider including raised blank outside area on some early pressings.
>> Think
>>>> they used it to block needle slippage from the beginning of record. The
>>>> same
>>>> method used for inside area with no locked and lead-out groove - raised
>>>> portion of the record used as for later transferred into locked groove.
>>>>
>>>>
>>>> ----- Original Message -----
>>>> From: "David London"<jusmee123 at gmail.com>
>>>> To: "78-L Mail List"<78-l at klickitat.78online.com>
>>>> Sent: Monday, March 04, 2013 12:28 AM
>>>> Subject: Re: [78-L] Approximating 78s age by physical characteristics
>>>>
>>>>
>>>>> On 03/03/13 23:10, Mark Bardenwerper wrote:
>>>>>> I can't add much to this, but it should be noted that many of the
>>>>>> groove additions came with the invention of automatic changers. The
>>>>>> change in labels had to do with the manufacturing process. The
>>>>>> beginning of the electrical era had something to do with some of these
>>>>>> changes. Before electrical recording, there were electrically driven
>>>>>> platters. Someone more in the know might tell us if there was a
>>>>>> workable changer in the acoustic era. It would have been a challenge
>>>>>> due to the heftiness of the arm, but people could be pretty
>> imaginative.
>>>>>
>>>>> I was wondering also, if changers existed before lead-in grooves. It
>>>>> seems a key addition to a record, else you risk the needle just sitting
>>>>> floating on the leading edge of the record (or did they bias the arm to
>>>>> always swing inward when there was no groove?).
>>>>> ______________________________________________