Test Tube Stand & Drying Rack

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.

Two pan balance for accurate and rapid weighing upto 2 kg. The balance has two beams with centre reading sliding masses. These weigh up to 0-200 gm x 10 gm & 0-10 gm x 0.1 gm, total 210 gm. Supplementary masses extend the range to 2 kg. With spring loaded zero adjuster and magnetic damping. With stainless steel pans of 150 mm diameter.