73802917
May 26, 1989
Jul 24, 1990
EDUCATIONAL SCIENCE KITS COMPRISING CHEMICALS, CHEMICAL RACK, TEST TUBES, BEAM BALANCE, ALCOHOL LAMP, MEASURING SPOON, EYEDROPPER, LITMUS PAPER, TWEEZER, HARDNESS PENCIL, STREAK TILE, MABUCHI MOTOR, BATTERY CONTACTS, COIL SPRINGS, TEST TUBE HOLDERS, DIFFRACTION GRATING, CHROMATOGRAPHY PAPER, DISTILLATION RUBBER TUBE, GLASS TUBING, MICROSCOPE, CERAMIC DISC MAGNET AND INSTRUCTIONS FOR PERFORMING CHEMISTRY, PHYSICS, BIOLOGY, GEOLOGY, AND MICROSCOPY EXPERIMENTS
Electrical and Scientific Apparatus