[Phono-L] "Official" Questionnaire for early Edison disc phonographs

Andrew Baron andy at popyrus.com
Mon Jun 25 17:55:29 PDT 2007


Hi Bruce ~
I've sent the images directly to your email address.  If you're  
inclined to fill the gaps in the questionnaire, it would be  
interesting to note the results.

Your answers revealed a date on the form 632 that I haven't seen.  I  
also appreciate the grill information.  Your machine is some 3,000  
units earlier than my late A-250, and it's interesting to note how  
many of the details are similar to the earlier production of this model.

When I have time, I'll begin to put all this information together  
with other answers that come in, and prepare a summary of what  
details were used over which span of serial numbers.  We should also  
be able to derive some date information as time goes on.

Many thanks for contributing to this database.

Andy

On Jun 25, 2007, at 9:35 AM, bruce78rpm wrote:

>
> ----- Original Message ----- From: "Andrew Baron" <andy at popyrus.com>
> To: "Antique Phonograph List" <phono-l at oldcrank.org>
> Sent: Monday, June 25, 2007 12:41 AM
> Subject: [Phono-L] "Official" Questionnaire for early Edison disc  
> phonographs
>
>
>
> To see early vs. late details, Refer to photos posted on: (type)
> http:// (then:) homepage.mac.com/pjfraser/phono/PhotoAlbum233 (and
> finally:) .html
>
> Directions from Peter Fraser on accessing these photos:
> the password is "pook2e" (no quotes).
>
> For large-scale versions of the pix, use the slideshow button, or
> single-click the individual shot in which you're interested.
>
> THE QUESTIONNAIRE:
> 1) Model number: ( A-250):
> 1a) Serial number: (SM-10248
> 1b) Serial number stamped on bedplate, under platter, if different:
> (_____ A1);
> 2) Type of start/stop levers:  Late - non adjustable stop
> position);
> 3) Bedplate corner detail: (Early / Late) ??; I can't enter the  
> website you gave to see the diffences
> 4) Number of pivoting oil hole covers on bedplate: (2);
> 5) Tone modulator Present? (yes - vertical early design);
> 6) Type of key escutcheon: (Without nail holes)
> 7) Depth inside the upper groove that accommodates top of grill:
> (1/4”)
> 7a)  grill top & bottom
> width 3/4” smooth?;
> 7b) Thickness of fretwork portion of grill: (1/4)
> 7c) Overall height of outer grill frame: (13 3/4)
> 8) Louvres on cabinet  ( no);
> 9) Side veneer, number of sections per side: (1)
> 10) Form 632 present? (yes)
> 10a) Location of Form 632: (inside of back door)
> 10b) Printer’s date at bottom of Form 632: 4/3/14
> 11) Latest patent date on dataplate: ( 3-11-13 )
> 12 Other notes: (Any additional information of interest);
> 13) Owner : Bruce R. Young
>
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