Vintage PRECISION HAIR HYGROMETER by Richard Freres Paris – Hair Hygrograph Scientific Humidity Instrument. Please see pictures for details.
Posts tagged hair
Antique german Klinkerfues patent Lambrecht hair hygrometer thermometer 1870s
Super rare, antique house shape hygrometer and thermometer. Brass open work hair hygrometer in copper house, on wooden stand, thermometer on top missing, designed by Dr. Ernest, Friedrich, Wilhelm Klinkerfues, and made by Wilhelm. Lambrecht, Göttingen, Germany, 1870s, with rare hungarian distributor mark : Calderoni & co Budapest. In [...]
Antique german Klinkerfues patent Lambrecht hair hygrometer thermometer 1870s
Super rare, antique house shape hygrometer and thermometer. Brass open work hair hygrometer in copper house, on wooden stand, thermometer on top missing, designed by Dr. Ernest, Friedrich, Wilhelm Klinkerfues, and made by Wilhelm. Lambrecht, Göttingen, Germany, 1870s. In working condition, problem is the missing [...]
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 [...]