Description
Three-wheel stacked metal pulley for maximum mechanical advantage in compound pulley systems
and classroom precision measurement
Use for investigation of gas at constant volume By inserting the glass bulb into either warm or cold water the expansion and contraction to the air contained in the bulb can be seen as a pressure change on the gauge
Six replacement gold leaves cut to fit the standard gold-leaf electroscope
sized to fit the PH0380A bar-breaking apparatus for repeated thermal-contraction fracture demonstrations
Circular Perspex Block for Refraction Science at Home_Earth Science Three-wheel stacked metal pulley forRound perspex refraction block, the curved face geometry letting beams enter along any radius for clean Snell's law angle work in ray box and refraction setups.
Exchange/Return Notes
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