Description
Designed for strong divergence demos
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
running battery-free for repeatable classroom and stockroom use
sized to fit the PH0380A bar-breaking apparatus for repeated thermal-contraction fracture demonstrations
a 12V/21W lamp house
Circular Perspex Block for Refraction Science at Home_Earth Science Designed for strong divergence demosRound 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.
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