Barometer Fortins

For school/college laboratories. Nominal 6 mm bore glass tube. With engine divided dual scales 675 to 820 x 1 mmHg and 26.5 to 32.5 x 0.05 inch Hg. Verniers Reading 0.05 mm and 0.002 inch. Mounted on polished wooden board for wall mounting. Supplied without mercury but with instructions for filling Barometer FortinsSpares :- Standard Model 8 mm Borosil glass tube Deluxe Model 10mm Borosil glass tube Leather Bag