A thermo-hygrograph or hygrothermograph is a chart recorder that measures and records both temperature and humidity (or dew point). Headquarters Germany Founded 1859 Lambrecht GmbH Established in 1859, Lambrecht have a long history in meteorological monitoring.Lambrecht GmbH are in operation where parameters like wind, rain, temperature, barometric pressure, humidity, radiation, air flow and others have to be measured. Dimensions & Weight (w/ wooden box). We primarily sell in Europe. This item is in the category "Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Other Antique Science Equip". The seller is "wishihad" and is located in this country: GR. This item can be shipped to North, South, or Latin America, all countries in Europe.