HP-67 with clear (transparent) back cover



#4

Does anybody know if this type of HP-67 was actually manufactured by HP (as a pilot maybe), or is this a "customized" fix ?

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=200373093484&ssPageName=ADME:X:RTQ:GB:1123

Thank you!

Giovanni


#5

My understanding is, that those were manufactured as sales demo units.
A serial# is barely visible, so it's very likely not a prototype unit.

#6

Buenas tardes / buon giorno Giovanni,

AFAIK these were demonstration units from times when CAD was not readily available. So you could see where some space was left.

HTH,

Walter


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