Page 15 - Demo

ELECTRICITY, MOTORS & GENERATORS, CONTINUEDFlinn Van de Graaff GeneratorThe Flinn Van de Graaff Generator is a work-horse instrument that will stand up to repeated use for years. Its small, convenient size (60 cm high, 20-cm sphere) comes ready to use with simple, one-step assembly. Generator delivers continuous supply of charge at high voltage (300,000 V maximum potential) and comes complete with owner’s manual containing operation and safety procedures. AP8501 I $187.80Hoffman Electrolysis ApparatusOne-way glass stopcocks conveniently located on the top of this high-quality apparatus allow for easy collection of gases during electrolysis experiments. The large center reservoir bulb easily handles the liquid displacement from the two side columns and prevents any overflow during your experiments. Electrodes and directions included. Requires ring stand, support clamp and a 9 V battery or DC power supply. Measures 41 x 17 cm. AP5879 I $169.55Hoffman Electrolysis Demonstration ApparatusThis electrolysis apparatus provides accurate, quantifiable results. Clear glass collecting tubes are calibrated for easy measurement and observation. Although primarily designed to hydrolyze water, it can be used for other compounds as well. Includes rugged ring stand base, built-in thistle tube and stopcocks for easy no-mess filling. Operates on a 9-V battery or DC power supply. Platinum elec-trodes are included. AP5439 I $291.00Van de Graaff Generator, 400-kVThis high-quality Van de Graaff generator delivers static electricity for exciting and vivid demonstrations no matter how high the room humidity. Rigid comb assemblies never need adjustment. Large dome produces a charge potential up to 400,000 volts. Sparks of 10” are typical, but possible up to 15 inches. Includes background information, experiment instructions and replacement belt. Large dome is shipped separately. AP6476 I $695.40