US$ 120.00
and 400 ppm
this metal wave helix demonstrates pulse propagation
carrying a removable 3-6V 5W heating spring for electrical-method specific-heat investigations
and horseshoe magnet that swap by hand
Convection of Gas Apparatus, 10 x 4 x 3" Pack Size_100 and 400 ppmCompact metal box convection demonstrator at 10 by 4 by 3 inches with two glass chimneys, a sliding front door, and a candle holder, tracing hot air flow between the twin flues.
US$ 120.00
US$ 170.00
US$ 44.00
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US$ 50.00
US$ 76.00
US$ 89.95
US$ 80.00
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US$ 80.00
US$ 80.00
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US$ 80.00
US$ 117.00
US$ 80.00
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