Posted 5 years ago
dgirardin
(144 items)
Found these two unique items not really sure of the age one looks like a pharmacy scale and the other one has to do with looks like it's a bar bars or something it measures like a bar graph on the round spool anybody have any ideas on this stuff got both of them for $75
Looks like a barometric pressure recorder. It charts the change in atmospheric pressure on the cylinder graph.