US$ 37.99
Universal smartphone desk stand accommodates iPhone
complete with balance
LED circuits
and a six-turn thick coil for hands-on Lenz's law and induction-heating work
Replacement Oil for Boyle's Law Apparatus, 250mL Material_Silica Universal smartphone desk stand accommodates250mL bottle of indicator oil formulated for the PH0150A Boyle's Law Apparatus, serving as the sealing and indicating fluid that visualizes volume change under applied pressure.
US$ 37.99
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