100 mm dial graduated from 28” to 31” and 940 to 1040 millibars, with an index pointer, with transparent top cover, mounted in plastic case 160 mm dia. approx.
100 mm dial graduated from 28″ to 31″ and 940 to 1040 millibar, with an index pointer, demonstration type, in a transparent plastic case with a pressure pump. For educational demonstration purposes only.
For school/college laboratories. Nominal 6 mm bore glass tube. With engine divided dual scales 675 to 820 x 1 mm Hg and 26.5 to 32.5 x 0.05 inch Hg. Verniers reading 0.05 mm and 0.002 inches. Mounted on polished wooden board for wall mounting. Supplied without mercury but with instructions for filling.