Vintage Lab Gear - Vintage Leeds & Northrup Resistance Instrument Teardown - STB63

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An interesting bit of vintage Leeds & Northrup test gear. It takes me a bit but I finally figure out what it is.

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I have a vintage L&N "MICROMAX" mutli channel, electro mechanicel chart recorder and the accompanying 12 channel L&N galvanometer so the Micromax can record temperatures from thermocouples. My father got it as they were throwing it away from the former Esso Bayway refinery in New Jersey. He had it hooked up to thermocouples around the house, inside, outside, wet bulb, dry bulb as he was a weather enthusiast and generally a scientist. It last worked fine on April 11, 1988 the day my father passed away. It's been in my garage ever since.

I am moving and need to get the Micromax and galvanometer out of my house. I can't find a model # on either machine, but I can send pictures to anyone interested.

If interested post a reply to this comment.

MrJessy
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I've stumbled across an old V&N potentiometer that looks to be in really good condition. We're curious to know it's specific purpose if you can help.

nahhfool