US$ 374.00
and wood bobs on separate strings to a 42
5 inches producing 50-60 dots per second via a vibrating striker
this deluxe optics kit covers reflection
opening to 3
covering refraction shapes for a complete optics lab kit
Malvern Turbine and Pump Unit for Energy Transfer Electricity & Magnetism_Electromagnetism & Motors and wood bobs on separateEight bucket blade rotor in a 50 by 50 by 25mm block chamber with a clear Perspex front, running as either water turbine or motor driven pump for fluid based energy conversion work.
US$ 374.00
US$ 14.99
US$ 274.00
US$ 280.00
US$ 219.00
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US$ 274.00
US$ 39.95