Antique 1920 Darton Hair Hygrograph Scientific Humidity Instrument, Swiss Movemt

Description

Antique 1920 Darton Hair Hygrograph Scientific Humidity Instrument, Swiss Movemt. Unusual heavy Steampunk Cool fully functional F. Darton & co. Mechanical Hair Hygrograph. 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 a bronze and copper cover and a glass front. When wound it can measure for 8 days, it has a Swiss watch movement inside. See all photos. A really unusual somewhat creepy devise that used human hair to forecast the weather. 12” by 9” by 7”. Weighs about 50lb.
Please email any questions prior to bidding. Photos are part of the description so please review carefully. Ships from US estate
*PLEASE NOTE, NO SHIPPING BETWEEN AUGUST 6, 2019 and AUGUST 16, 2019
* PLEASE NOTE: Seller is away. No shipping until April 6, 2020.
As of March 21, 2020 seller has returned. Shipping will resume immediately.