while i was picking up my latest junk item to teardown i took a quick look at this interesting item, it's a Polygraph machine, well it's actually two of them, with the chart recorders
i was surprised by the build quality, you wont see that from the pictures but there is a stainless frame with aluminium plug-in modules, all the control knobs etc are machined aluminium, it must have been very expensive when it was new, i didn't have time to start poking around properly
it's an unusual item to see, but i am not sure about taking it for teardown, the seller will take a deal on it but it's going to be a load of mostly identical amplifiers, filters and stuff so i dunno. It's way more £ than i would normally do for a teardown... what do people think?