Expansion Apparatus
Model No. HV-EXP4261
Expansion Apparatus Science Labs Hoverlabs is Manufacturer, Exporter Supplier of Expansion Apparatus Product description: Comprising two cast-iron uprights, height 18 cm. linked by two nickel plated rods supporting on expansion bar, length 38 cm. fixed to one upright and resting on a friction pointer placed at the other. With scale reading 0 to 90 deg. With one each aluminum, brass and iron expansion bars..
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