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We are manufacturer, supplier and exporter of heat and thermodynamics instruments for all educational lab purpose and physics lab purpose in best price range.

Ring & Ball Gravesande - Ring & Ball with chain 18mm dia plastic handle

Product Cat # PH0401A


Simple and effective  apparatus for demonstrating thermal expansion, The ball passes through the ring when cold but will not pass through after being heated. Comprising of solid  brass ball secured to mounted brass ring by chain. Ring mounted on...

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Ring & Ball Gravesande - Ring & Ball with chain 25mm dia plastic handle

Product Cat # PH0401B


Simple and effective  apparatus for demonstrating thermal expansion, The ball passes through the ring when cold but will not pass through after being heated. Comprising of solid  brass ball secured to mounted brass ring by chain. Ring mounted on...

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Ring & Ball Gravesande -Ring & Ball with chain 18mm dia wooden handle

Product Cat # PH0401C


Simple and effective  apparatus for demonstrating thermal expansion, The ball passes through the ring when cold but will not pass through after being heated. Comprising of solid  brass ball secured to mounted brass ring by chain. Ring mounted on...

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Ring & Ball Gravesande - Ring & Ball with chain 25mm dia wooden handle

Product Cat # PH0401D


Simple and effective  apparatus for demonstrating thermal expansion, The ball passes through the ring when cold but will not pass through after being heated. Comprising of solid  brass ball secured to mounted brass ring by chain. Ring mounted on...

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Ring & Ball Gravesande - Ring & Ball mounted on seprate Plastic handle ball dia. 18mm

Product Cat # PH0401E


Simple and effective  apparatus for demonstrating thermal expansion, The ball passes through the ring when cold but will not pass through after being heated. Comprising of solid  brass ball secured to mounted brass ring by chain. Ring mounted on ro...

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Ring & Ball Gravesande - Ring & Ball mounted on seprate Wooden handle ball dia. 25mm

Product Cat # PH0401F


Simple and effective  apparatus for demonstrating thermal expansion, The ball passes through the ring when cold but will not pass through after being heated. Comprising of solid  brass ball secured to mounted brass ring by chain. Ring mounted on...

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Ring & Ball on Stand

Product Cat # PH0402


An apparatus for demonstrating thermal expansion, comprising of a 18mm brass ball with ring, adjustably mounted on a heavy cast iron base. Total height is 28cm approx.

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Bar and Gauge

Product Cat # PH0404


Simple instrument for illustrating  thermal  expansion of solids by heating and contraction by cooling. Comprising a steel  bar of 110 mm length and 10 mm  diameter, mounted on support rod with wooden handle, and with metal cast U-shaped gauge...

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Compound Metal Strip (Iron and Brass)

Product Cat # PH0406B


For demonstrating the differential expansion of two metals by the curvature produced when the strip is heated in a flame.  Comprising of different metal strips  of  200 x 15mm and  rivetted together with heat resistant rivets and mounted in a ...

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Compound Metal Strip (Iron and Copper)

Product Cat # PH0406C


For demonstrating the differential expansion of two metals by the curvature produced when the strip is heated in a flame.  Comprising of different metal strips  of  200 x 15mm and  rivetted together with heat resistant rivets a...

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