The barometer is designed to calibrate other instruments, has an accuracy of 0.1% and a repeatability of 0.03%. There are two bimetallic elements in the barometer to compensate for temperature changes in the range from -25 ° C to + 35 ° C. This is important because most barometers are designed to [...]
Archives for October 29, 2020
Vintage 1920s Julien P. Friez Hygrograph. Vintage Scientific Instrument
In excellent clean condition. From the home of a retired surveyor that collected scientific instruments. The item “Vintage 1920s Julien P. Friez Hygrograph. Vintage Scientific Instrument” is in sale since Tuesday, October 27, 2020. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The [...]