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Eisco™ Thermal Expansion Apparatus

Bar and gauge device shows expansion due to heating and contraction due to cooling.

Supplier:  Eisco™ PH0378A

Catalog No. S96187

  • $1.32 / Each of 1

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    Reg : $9.20

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At normal temperature, the bar's length fits into the gauge's jaw and the bar's diameter fits into its hole. When the bar is heated, it fits neither jaw nor hole.

  • Simple apparatus is made of a mild-steel bar, 4.3L × 0.4 in. dia. (110 × 10mm), on a wooden-handled rod
  • Metal cast gauge slides over the ends of the bar
  • 0.4 in. (10mm) bore in one arm to show expansion in diameter
  • Heating expands bar length to prevent fit into gauge
  • Overall length: 11 in. (280mm)



For illustrating expansion by heating and contraction by cooling
0.74 lb.
10.23 x 6.29 x 1.81 in. (26 x 16 x 3 cm)
Thermal Expansion Apparatus
0.34 kg


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