This drum barograph is in very good unrestored condition, needs a good cleaning and restoration. The barograph is complete, but the case is missing the hinges {where tape is} and one piece of glass on the back side. The logo is stamped into the brass, an ANCHOR with initials L. And [...]
Archives for July 22, 2019
Antique 1920 Darton Hair Hygrograph Scientific Humidity Instrument, Swiss Movemt
Antique 1920 Darton Hair Hygrograph Scientific Humidity Instrument, Swiss Movemt. Unusual heavy Steampunk Cool fully functional F. This device used a length of human hair to measure changes in humidity depending on moisture in the air. Circa 1920, its a heavy cast iron framed device with [...]