Ventilation Apparatus
Demonstrates The Principle Of Ventitation Convection Currents In Air. Comprises A Sheet Metal Enclosure With Open Sliding Glass Front And Two Circular Openings At The Top For Mounting Glass Chimneys. Air Heated By A Candle Placed Beneath One Of The Chimneys With Glass Door Closed, Causes The Flow Of Convection Currents, Which Can Be Observed By Bringing A Smoldering String Near The Top Of Other Unheated Chimney. Supplied Without Candles. (Ventilation Apparatus)
Product Specifications
Origin
MA
Length
24
Package Size
1 Box/Pack
Width
12
Height
16
Net Weight
1.244
Each Item Weight
1.011
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