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Ventilation Apparatus,Convection In Air Apparatus
(HT-1548) |
A rectangular metal box 220 x 75 x 75 mm (L x W x H), with sliding glass front and two openings on top to place glass chimneys. A candle holder fitted to base of box beneath the one chimney. Supplied without candle. Convection may be demonstrated by use of smoke from a string held close to the top of unheated chimney.
Spare Parts: Glass chimney 2 Nos. HT-1548/1
Accessory: Candle pack of 12 Nos. HT-1548/ 2
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