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|Author:||rbc [ Mon Apr 08, 2013 10:14 am ]|
|Post subject:||Old spectroscope|
Very interesting spectroscope
"Wallace Spectroscope Central Scientific Co Chicago"
http://www.ebay.com/itm/c19th-Wallace-s ... 1211230683
|Author:||G4Lab [ Tue Apr 09, 2013 1:09 pm ]|
|Post subject:||Re: Old spectroscope|
Built in Indiana in the 1950s not old the way the seller says. Very serviceable and decently made.
Last price was only about $150. Probably diffraction grating. Adjustable slit. I have not had one of this exact model in my hands but have seen a number of later ones from these folks that were DG models. Would be just fine for gemology especially if bought for the right price.
I think I would rather pay $25 than $45.
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