View Single Post
Old 06-15-16, 06:43 PM   #3
Lex Parsimoniae
Xringer's Avatar
Join Date: Feb 2009
Location: Woburn, MA
Posts: 4,875
Thanks: 106
Thanked 245 Times in 225 Posts

If you think about it, the thermometer wasn't the easiest thing to invent back in those days..
And using melting butter to calibrate them must have been a riot..
My hobby is installing & trying to repair mini-splits
EPA 608 Type 1 Technician Certification ~ 5 lbs or less..
Xringer is offline   Reply With Quote