Hello r/engineering. I come to you looking for information. I have an old Bristol model 144 refrigerator temperature recording device. I'm trying to find the age of it. I searched through various old catalogs by the manufacturer and couldn't find anything. Here is a link to what it looks like.
Basically I'm trying to learn how old it is. If you can help, I'd really appreciate it.
Submitted February 21, 2017 at 06:21AM by sambaranoff http://ift.tt/2m2hwY5 engineering
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