Frankenstein Machines

Originally Posted by BurlyGuys

Take them to an auction or eBay.

ebay might be something i'd try, what could I start them at?
$20,000 the pair and see if some crazy rich guy buy's them for his dungeon?
$500 the pair and list them as serious medical collectables?
$200 the pair and see what happens?
$50 the pair and risk someone sniping them at the end for $51.01?

for $51.01 i'd rather keep them, i'd open one up to have a little look but i'd just keep them until I can match them up with other weird items and build a better lot.
which one to go with?

if they were last serviced in 1989, and assuming they stopped using them soon after, what years could these be from?
one is definately an updated version but they were both last serviced on the same day so I assume they both became redundant at the same time.
they do get good use out of medical equipment so would it be safe to assume these machines were made in the 70's?