Description

Painted red and blue along their lengths to mark north and south poles

auto-focus CRT

change speed

comparing liquid densities by the differential heights of drawn columns

Foot Pump for Physics Demonstrations Glassware_Glass Beakers Painted red and blue alongSupplies air pressure changes to the PH0150A Boyle's Law apparatus through a foot operated pump, evacuating or pressurizing the system for hands free volume versus pressure readings.

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Foot Pump for Physics Demonstrations Glassware_Glass Beakers Painted red and blue along

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