Searle’s Apparatus For Thermal Coductivity Of Copper
Steam heated, with 230 x 25 mm copper bar, with a steam chamber at one end, the other end having a copper coil for cold water with inlet and outlet tubes. With two thermometer pockets. In box with insulated lagging, removable cover, without thermometers.
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Material Kit, Solids
Consists of two each of the seventeen blocks as follows:
- Blocks, 50 x 40 x 30 mm – Softwood, Hardwood, Paraffin wax, Aluminium, Iron and Polystyrene.
- Blocks, 20 x 20 x 100 mm – Perspex, Glass, Slate, Aluminium, Softwood, Marble.
- Block, 50 x 50 x 20 mm – Lead.
- Block, 50 x50 x 80 mm – Aluminium.
- Block, 50 x 50 x 200 mm – Hardwood.
- Block, 20 x 20 x 50 mm – Brass.
- Block, 40 x 40 x 20 mm – Iron.
Density Identification Set, Set of 15
The set consist of specimens of 15 different types of materials. Students measure the mass, length and volume to determine the density of each of the materials. Set contains a sturdy storage base with one sample each of Walnut, Pine, Maple, Polypropylene, Polyethylene, Polyamide, Acrylic, Polyurethane, Phenolic, Polyvinylchloride, Delrin, Aluminium, Brass and Copper. Samples are stamped with a letter code for easy identification. Instructions included.
Heat Absorption And Radiation Comparator
To demonstrate the phenomenon of heat absorption and radiation between different surfaces. One 12V bulb is used as heat source and two parabolic metal discs used as different bodies, one slot is provided behind the discs to hold the thermometer. Two sockets are provided for power input. with two thermometers & plain glass.
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