73576684
Jan 7, 1986
Aug 26, 1986
SCIENCE TEACHING KITS COMPRISED OF SOME OR ALL OF THE FOLLOWING ITEMS: BALANCE AND COMPASS COMPONENTS, RULERS, MEASURING CUPS, DROPPERS, BOWLS AND CUBES FOR DETERMINING SPECIFIC GRAVITY, COMPASSES, COLORIMETERS, LITMUS PAPER, SCREW EYES AND STRINGS, STRAWS, PENDULUM BOBS, WIRES, BULBS AND SOCKETS, RHEOSTAT BOARDS AND PRINTED INSTRUCTIONS SUPPLIED THEREWITH
Electrical and Scientific Apparatus