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Showing 16–30 of 1964 results
- Physics, Uncategorized
Constant Pressure Air Thermometer
Jollys thermometer bulb connected via a 3-way stopcock to mercury tube. Sliding indicator on right hand limb, with reservoir sliding on vertical clamping rod. Metal vessel to surround the bulb. Mounted on wooden stand, height 740 mm. All glass parts except reservoir are made of borosilicate glass.
SKU: PH20105 - Physics, Uncategorized
Constant Volume Air Thermometer
A metal stand fitted with 0-100 cm x 1 mm vertical wooden scale and supporting a mercury reservoir sliding on a metal rod. An air thermometer bulb fitted to a bracket can be attached to the other rod at either of two positions. With U-shaped base. Complete with 1 meter rubber tubing to connect reservoir to the bulb. Supplied without mercury.
SKU: PH20102 - Physics, Uncategorized
Continuous Flow Calorimeter, Callendar & Barnes
For electric equivalent of heat of liquids. A glass tube, 360 mm long, containing manganin spiral heating element with screw terminal at each end, is connected to inlet and outlet cylindrical vessels, each having a tubule for thermometer. The inlet system has a long vertical vent tube to allow air bubbles in the incoming water to escape. Mounted on wooden base, but without constant level tank or thermometer.
SKU: PH20195 - Physics, Uncategorized
Double Cone And Incline
A fascinating demonstration of center-of-gravity principles. When placed on the diverging bars of the inclined plane, the cone appears to roll up the plane. Upon careful examination, students determine that the axis of the cone is actually moving down the slope of the bars.
SKU: PH10554 - Physics, Uncategorized
Drinking Bird
A classic toy that is really a heat engine. Demonstrates the cooling effect caused due to evaporation. Push the birds head into water to begin the bobbing motion continues to drink as long as there is water in the container. Supplied with Instructions.
SKU: PH20065
