R150.00
Demonstrate air convection and room ventilation principles with this enamelled metal box and glass chimneys. Candles and splints not included.
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R250.00
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Demonstrates the phenomenon of convection in air and the principle of room ventilation. Consists of an enamelled metal box 20x10x10cm (LxWxH) having a sliding glass door and two glass chimneys. When a candle is placed under one chimney and a splint is placed underneath the other chimney, the flow pattern of smoke dramatically illustrates the formation of convection currents. Candles and splints not supplied.
| Weight | 700 g |
|---|---|
| Dimensions | 10 × 20 × 24 cm |
| Pack Size | PC |
| Product Size | 20X10CM |
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