[Phono-L] Triumph dating help request

[Steven Medved]

http://www.edisontriumph.com/research.html

> From: andy at popyrus.com> To: phono-l at oldcrank.org> Date: Thu, 1 May 2008 21:29:37 -0600> Subject: [Phono-L] Triumph dating help request> > Hi all ~ I sent the following when the list was down, so am > resending. Apologies in advance if the original pops up at some > point. --AB> > I'm writing in hopes of receiving some knowledgeable guidance on > dating an Edison Triumph.> > Serial number plate:> Can someone please take a moment and tell me what the subsequent > patent date was (after May 31, 1898), on the very next version of the > serial number plate? I realize that there are some flaws in > attempting to date a machine by this method, but it should at least > help me narrow it down a bit more.> > If dating by serial number has possibilities, the serial number of > this machine is 31700. I recall recent discussions here about > seemingly out of sequence or anomalous serial numbers on some Edison > phonographs, but perhaps this serial number can still be of some value > if a database exists of some verified dates of sale in relation to > certain numbers.> > I spent about an hour searching on the internet for serial number or > date information, but wasn't able to find anything helpful. I see in > Frow that the speed indicating marks were added to the carriage shaft > sometime in 1904, and this machine does not have those, so I can only > say that it dates anywhere from the Spring of 1901 to some time in > 1904. I would love to be able to pin it down a little narrower than > this.> > The other detail in Frow is a reference in his description of the > model A Triumph, to the corner posts later getting rounded slightly. > Because this note appeared in his description of the model A, it isn't > clear if this change took place while the model A was still in > production, or if it refers to model B. Mine has the sharp-edged > corner trim on the main body of the cabinet.> > This machine also has a square-ended winding shaft and square > receptacle crank hole. Once again, various searches on-line related > for information about when it may have transitioned to a different > style of winding crank engagement also failed to turn up any dating > information.> > If anyone here can shed some light on when this machine was made or > offer any details I should look for that will help me to date it more > precisely, I would be very grateful.> > Thanks in advance for any help.> > Andy Baron> Santa Fe> _______________________________________________> Phono-L mailing list> http://phono-l.oldcrank.org