To show the differences in expansion of different liquids over the same temperature comprising five bulb tubes with plastic scales, mounted in a frame and supported in a G.I. Sheet water trough 240 x 100 x 75mm deep. The frame has clamps to secure it to the trough and two cross members, the lower cross member having holes and upper tubules to locate the bulb tubes in bungs. Complete with 35mm dia bulbs and 15cms scales etc.
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Jalandhar Cantt., Jalandhar, Punjab