US$ 12.99
Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary
suited to bench-scale magnetism work where space is tight or where weaker field strength is required
Designed to electrolyze water into separately collected hydrogen and oxygen
Small 4-inch solar cell on a 4mm-terminal panel
and mechanical-advantage experiments
Drilled Brass Pendulum Ball, 1" Subcategory_Energy Transfer Research-grade oxygen spectrum tube atOne inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass dependent periodic motion investigations.
US$ 12.99
US$ 313.00
US$ 558.00
US$ 21.99
US$ 32.99