Aneroid Barometer is a device for measuring atmospheric pressure without the use of fluids. It consists of a partially evacuated metal chamber, the thin corrugated lid of which is displaced by variations in the external air pressure.
Card Size : 6" (150mm)
Size : 210 mm (Diameter) x 70 mm
NB: gambar hasil foto barang asli,kami punya ketersedian stock barang