That’s a CRT Trace Camera for HP 54600 series digitizing oscilloscopes, but you already knew that. Circa 1991, that state of the art high-tech appurtenance would cost over $1k in 2015 dollars.
[Found here.]
Screen Caps – How To Make
That’s a CRT Trace Camera for HP 54600 series digitizing oscilloscopes, but you already knew that. Circa 1991, that state of the art high-tech appurtenance would cost over $1k in 2015 dollars.
[Found here.]
Tacky Raccoons 
I’ve actually used these to document x-ray transformer balance testing. They used surprisingly expensive Polaroid film.
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Dan– One thing you could do with a Polaroid photo that you can’t do with digital photography is mush the image around with your thumbnail while it’s still developing.
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