This should have appeared at the end of the A-250 information that I  
poster earlier, and was also copied in Rich's email inquiry.  Sorry  
for the omission, as it's enlightening information.  Note that the  
highest number now documented as part of the list I posted earlier is  
13417, or roughly 1,000 units beyond the mid-12,000 range noted by  
Ron.  This unit appears to have been made in the waning days before  
the factory fire of Dec 09, 1914 that spelled the end of the A-250  
and ushered in the B-250.
~ Andy

>> 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.
From [email protected]  Sun Aug 26 09:09:41 2007
From: [email protected] (Andrew Baron)
Date: Sun Aug 26 09:12:30 2007
Subject: [Phono-L] A couple of additions/changes to the A-250 study
Message-ID: <[email protected]>

"dataplate" changed to "bedplate" on item 5.

5) Tone modulator present?:
NO: Serial #1429
YES: Serial #12033 (dataplate #13417), Serial #12080 (bedplate #5751)

8) Louvres on cabinet as per Amberola 1A?
YES: #158, #161, #171, (unconfirmed)
NO: Serial #1429, #12080, #13417
From [email protected]  Sun Aug 26 11:42:42 2007
From: [email protected] (Rich)
Date: Sun Aug 26 11:46:18 2007
Subject: [Phono-L] A-250 survey results
Message-ID: <[email protected]>

Hi,
Has there been a compilation of the A-250 survey results?  If so, I seem to 
have missed it.

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