2 pulleys on a base giving a step up ratio of 3.75.
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4 stroke One cylinder, 4 cycled and double valve system gas engine, to show operations like intake, compression, explosion, exhaust, spark and others, mounted on wooden base with spark plug and battery.
The section cut model is constructed of light and strong metal showing air intake, axial flow, double stage compressor, fuel supply, combustion chamber, turbine rotar, jet thrust, exhaust etc. Complete on base.
This apparatus is used to measure surface tension by Capillary rise in a small bore.
It comprises six glass capillary tubes 125 mm long, ends ground flat, of different bores, supported by a metal frame in a shallow metal trough.
One piece spinning with parallel sides & rolled rim.. Size: 75 x 50 mm 100 x 75 mm
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