Was there ever any feedback on the compilation of the A-250 data? I have not seen anything in a while from the group and was wondering if I missed it somehow.
On Sat, 23 Jun 2007 12:02:34 -0700, Peter Fraser wrote: >Hi - >Well, I heard back from Ron Dethlefson, and enclose his response below. >And here are the pictures of Andy's machine, plus some additional >oxidozed bronze hardware pix from Bruce Mercer: >http://homepage.mac.com/pjfraser/phono/PhotoAlbum233.html >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. >Cheers, >Peter >[email protected] >> From: ronald dethlefson <[email protected]> >> Date: June 23, 2007 9:53:26 AM PDT >> To: Peter Fraser <[email protected]> >> Subject: Re: pictures of the early a-250 >> >> Nephew, >> >> Yes, the stop mechanism shown is the first one. It's the same as >> on my A-250 #161. I've seen these mechanisms on #158 and #171. >> They probably were on the first 200 A250s manufactured in late >> 1912, according to Frow. A250s through #1200 were manufactured by >> March 1913, again according to Frow. The sound vents in the sides >> of the cabinets ended about #1200 too. I suspect that the stop >> mechanism was changed due to some patent issue. So much of the >> factory documentation was destroyed in the Dec. 1914 fire that the >> only way to document changes in Model A pnonographs is to look at >> the machines themselves. At least we now know that the first stop >> mechanism, was in use into the 1400 range of serial numbers. >> >> One other Model A tidbit. I've never seen a Model A 250 numbered >> lower than #109. This leads me to suspect that serial numbers >> began with 100. The highest Model A 250 serial number I've ever >> seen was in the mid-12,000 range of numbers. >> >> Regards, Uncle >> On Jun 22, 2007, at 11:58 PM, Peter Fraser wrote: >> >>> <Early_A_250_levers.jpg> >>> >>> Early_A_250_levers >>> >>> >>> <Later_A-250_controls.jpg> >>> >>> Later_A-250_controls >>> >>> >>> <A_250_bedplate_detail.jpg> >>> >>> A_250_bedplate_detail >>> >>> >>> -- Peter >>> [email protected] >> >_______________________________________________ >Phono-L mailing list >http://phono-l.oldcrank.org

