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Bar & Gauge Apparatus, 90×10mm



Product Code: 1247405


For demonstrating expansion of solids by heating and contraction by cooling. Comprising a metal bar mounted on rod with insulated handle, and U-shaped metal gauge also mounted on insulated handle, with GO/NO GO hole. The space between both the arms precisely adjusted to just admit the bar length wise, and the bar cross-section will just pass through the hole, when cold or when both heated to the same extent. On heating the bar, neither its length nor cross-section will be admitted in the gauge at respective points. Bar size (length × diameter).


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