[78-L] Lead-in groove mystery

[David Weiner]

Columbia did put lead-in grooves on a number of 1930 releases, but then
dropped it until 1936..

Dave Weiner

On 8/30/14, 10:18 PM, "Gary Herzenstiel" <gherzens at comcast.net.invalid>
wrote:

>
>Hi, everyone.
>
>I just picked up a Columbia Whiteman "potato head", numbered 2297-D with
>matricies 150788-3 and 150789-3, both recorded on 10 September 1930.  The
>label looks like this one:
>
>http://78rpmrecord.com/labelshow.cfm?whichLabel=1143
>
>Oddly, it has a lead-in groove.  It appears to be little wider than the
>normal audio groove, spirals in at a normal rate and starts from the edge
>of the record.  This seems very early for a lead-in groove.  Has anyone
>done a survey of lead-in and run-out grooves?  I was always told that
>they were developed for the jukebox industry but this certainly casts
>doubt.
>
>Thanks.    Gary H
>78rpmrecord.com
>(more label scans than anyone should have - adds your scans!)
>
>
>
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