[Phono-L] DD Metal Finishes

2007-06-23 Thread Bruce Mercer
It seems there is some confusion, at least on my part, regarding the finishes on DD reproducers and horn necks, etc. Obviously there is no question what is gold or nickel. Oxidized bronze is another question. What the company called oxidized bronze was the finish used up until the very end of

[Phono-L] the early a-250

2007-06-23 Thread Rich
I sent this to Andrew but neglected to send it to the list The machine serial number plate is SM 3435 and the mecanism bedplate is 3435 A1 and the stop is identical to the early adjustable one you have pictured. The case is oak. No side vents in the cabinet. I can not get at the back of

[Phono-L] DD Metal Finishes

2007-06-23 Thread Robert Wright
I was starting to wonder about this myself! Seems like there were at least two if not three variations of the oxidized bronze finish -- the Idelia's tiger stripes, the Opera's broken glass pattern, and the ringlet finish in these pictures of Andy's DD reproducer. Any specifics on these

[Phono-L] DD Metal Finishes

2007-06-23 Thread Rich
The pattern is done by hand after the part is plated and then oxidized. The color will vary between a dark brown to almost black depending on the chemicals used to darken the copper plate. After the part is washed it is then polished with very fine polishing compound in spots to from the

[Phono-L] DD Metal Finishes

2007-06-23 Thread Peter Fraser
i believe these were at the whim of the individual worker. this technique is not exclusive to Edison or to phonographs - it was just a common decorative finish of the early 20th century, and the patterns were hand applied. i had it explained to me once...something to do with selective

[Phono-L] the early a-250

2007-06-23 Thread john robles
The highest Model A 250 serial number I've ever seen was in the mid-12,000 range of numbers. Hmm, my own A250 is numbered 12080, so I guess it is later in production than I thought. Either that or it is the one that Ron is talking about since he's been to my house a few times. There is

[Phono-L] the early a-250

2007-06-23 Thread Andrew Baron
Thanks, Peter for this very welcome report. I've just returned from a day out in my vintage car and will take some time to review these latest comments and reply, most likely tomorrow. Thanks also for posting the images and password so that others can conveniently view them. Fascinating

[Phono-L] the early a-250

2007-06-23 Thread Douglas Houston
What kind of vintage car you got? [Original Message] From: Andrew Baron a...@popyrus.com To: Antique Phonograph List phono-l@oldcrank.org Date: 6/23/2007 11:05:01 PM Subject: Re: [Phono-L] the early a-250 Thanks, Peter for this very welcome report. I've just returned from a day out in

[Phono-L] the early a-250

2007-06-23 Thread Mark Lynch
Andy, Please add the mahogany A250 in my collection, serial number 3215, to the list that uses the two piece hinged stop finger. I hesitate to describe this as a user adjustable or semi automatic stop until that has be established through research. The use a riveted joint to provide stop