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Sorry, Not Sure Where This Goes - 3M Duplicating Exposure Unit "The Seventy"



 
 
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  #1  
Old October 26th 03, 06:12 AM
Arlykat
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Default Sorry, Not Sure Where This Goes - 3M Duplicating Exposure Unit "The Seventy"

For auction on eBay. Offering an extremely difficult to find
professional exposure unit for your consideration. This is a "3M 'The
Seventy." The following is all the information I have regarding this
handsome machine: "3M 'The Seventy.' 120V A.C. 60 Cycle. Exposure Unit
650 Watts. 3M Duplicating Products Division, Minnesota Mining &
Manufacturing Company. Serial No. E70AGF930 A. Model E 70AG. Pattented
Under U.S. Patent 3234868." The bulb reads, "3M, Made By GE 120V,
54-34. 78-8454-3463-4E." This is generally used in the medical,
scientific, or optical/photography field for imaging. The top half of
this machine plugs into the base & is turned on & off by a toggle
switch on base. The top turns on an incredibly bright light. There is
also a meter on the top w/red push button that seems to have a timer
dial, several numbers and a "darker" and "lighter" range of settings.
All red lights work perfectly. Considering the nice condition this is
in I would feel quite certain saying it is a very solid, fully working
exposure unit. Size is approximately 13" x 10" x 10 1/2" tall. Just
under 17 pounds. Excellent opportunity to purchase this professional
3M product for a small fraction of the original price. Bidding is at
$9.99. No Reserve. eBay No. 2566400046.

Link:
http://cgi.ebay.com/ws/eBayISAPI.dll...m=2566400 046

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  #2  
Old October 26th 03, 08:44 PM
Nicholas O. Lindan
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Default

"Arlykat" wrote in message

For auction on eBay. Offering an extremely difficult to find
professional [sic] exposure unit


It is an old thermal duplicator, 60's vintage, made for home &
small office use. Really horrid. Common as mouse droppings,
though half as useful. Paper no longer made.

This is generally used in the medical, scientific, or
optical/photography field for imaging.


What ignorant codswallop.

--
Nicholas O. Lindan, Cleveland, Ohio
Consulting Engineer: Electronics; Informatics; Photonics.
 




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