Chemical News and Journal of Industrial Science, Tom 34Chemical news office., 1876 |
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Strona 23
... side of the glass globe , the pith then hanging down like a pendulum , about a millimetre from the rotating vanes of the radiometer . By placing a candle at different distances off , any desired ve- locity , up to several hundreds per ...
... side of the glass globe , the pith then hanging down like a pendulum , about a millimetre from the rotating vanes of the radiometer . By placing a candle at different distances off , any desired ve- locity , up to several hundreds per ...
Strona 32
... side . He considers his results difficult to reconcile with the idea of a direct impulse due to light or to the ... sides with lampblack , and the case is blackened in the same manner over half its surface . If the light is received ...
... side . He considers his results difficult to reconcile with the idea of a direct impulse due to light or to the ... sides with lampblack , and the case is blackened in the same manner over half its surface . If the light is received ...
Strona 36
... sides a total sur- face of 3 square inches , was amalgamated and left to soak in mercury for over an hour . The mercury was then wiped off very thoroughly , and the piece of sheet - iron weighed . The increase over the original weight ...
... sides a total sur- face of 3 square inches , was amalgamated and left to soak in mercury for over an hour . The mercury was then wiped off very thoroughly , and the piece of sheet - iron weighed . The increase over the original weight ...
Strona 38
... side to side , as carried by the air current , is a good substitute . For steady currents , however , there is nothing so good as an anemometer . The candle cannot be carried with the average of the whole current , and the smoke of ...
... side to side , as carried by the air current , is a good substitute . For steady currents , however , there is nothing so good as an anemometer . The candle cannot be carried with the average of the whole current , and the smoke of ...
Strona 42
... sides to reduce the discharge orifice ; also in driving the said fans by means of steam - engines set diagonally on the frame supporting the fan - shaft . Improvements in apparatus for the evaporation or concentration of fluids at high ...
... sides to reduce the discharge orifice ; also in driving the said fans by means of steam - engines set diagonally on the frame supporting the fan - shaft . Improvements in apparatus for the evaporation or concentration of fluids at high ...
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