Needs New Photo

F4-24: HILSCH VORTEX TUBE
F4-41: DRUM AND CANDLE
F4-42: SMOKE RINGS USING GARBAGE CAN
F4-52: FORCE PUMP - MODEL
F4-61: HERO'S FOUNTAIN
F4-62: HYDRAULIC RAM
F4-63: MARIOTTE'S BOTTLE
F5-01: TOY CAR AND BALL - COANDA EFFECT
F5-08: MARBLE IN WATER JET
F5-32: CURVE BALL
F5-41: WIND BAG
G1-12: PENDULUM AND ROTATING BALL
G1-16: PENDULUM WITH LARGE OSCILLATION
G1-17: PENDULUM WITH LARGE-ANGLE OSCILLATION - PORTABLE
G1-18: PENDULUM WITH FORCE SCALE
G1-31: HOOKE'S LAW AND SHM
G1-32: MASS ON SPRING - WITH STAND
G1-34: AIR TRACK - SIMPLE HARMONIC MOTION
G1-35: MASS ON SPRING - EFFICIENT MODEL
G1-36: MASS ON SPRING WITH FORCE MEASUREMENT

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