US$ 1097.50
and 6V-powered ignition light staging each step
Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs
Twenty-centimeter steel helical spring paired with 2kg
Base-mounted 2-stroke diesel engine model in aluminum and plastic
lets students compare how line density per unit length controls the spacing of the resulting interference pattern
Stand for Alcohol Burner, 5 x 5 x 5" Material_Polypropylene and 6V-powered ignition light stagingChrome plated steel wire stand at 5 x 5 x 5 inches supports flasks and beakers above alcohol burners for classroom chemistry demonstrations.
US$ 1097.50
US$ 1249.50
US$ 1414.50
US$ 44.99
US$ 949.50
US$ 394.50
US$ 1312.50