Brownlee Electrolysis Apparatus

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 inch. Mounted on polished wooden board for wall mounting. Supplied without mercury but with instructions for filling.

Advanced, beam engraved with a rider scale, for use with 10 mg rider, balancing nuts, agate bearings and knife edges. Fitted on a wooden board in a polished wooden case. Capacity 200 gm, sensitivity 0.5 mg.