Standard Rheostat, 16Ω, 4A Max Lab Supplies_Weights & Masses this polished-wood test tube rack

this polished-wood test tube rack holds six tubes up to 22 mm and supports both storage and inverted drying

this polypropylene measuring jug pairs raised graduations with a handle and pouring spout for everyday lab dispensing

Runs gel electrophoresis for DNA

pairing a six-step 0 to 12V AC line with a continuous 0 to 12V DC line through color-coded lab terminals

Standard Rheostat, 16Ω, 4A Max Lab Supplies_Weights & Masses this polished-wood test tube rackStandard rheostat at 16 ohms and 4A with oxidized constantan winding on a vitreous enameled steel tube, supported on die cast ends with a phosphor bronze sliding contact.