100 mm dial graduated from 28" to 31" and 940 to 1040 millibars, with an index pointer, demonstration type, in transparent plastic case with pressure pump. For educational demonstration purpose only.

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 diam. approx.

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. 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.

Brass, chrome plated, for lifting balance masses.

A simple single pan balance with two ranges 0-250 x 1 gm and 0-1000 x 5 gm. Die cast aluminium alloy frame, other parts are chrome plated. With levelling screw to set zero and a pointer for reading without parallax error. With detachable pan having a hook for experiments on specific gravity.