Sciencemadness Discussion Board

what is this?

crazy300z - 15-5-2012 at 16:30

I just cleaned out a garage and found this, trying to figure out what it is. Thanks in advance.
Marked Leeds & Northrup Co Philadelphia PA.
Also marked with 1500402

051512202744.jpg - 176kB051512202809.jpg - 200kB

bobm4360 - 15-5-2012 at 20:56

Looks like a galvanometer for measuring very small currents.
Regards,
Bob