a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
A pneumatic trough is a piece of laboratory apparatus used for collecting gases,
such as hydrogen, oxygen, and nitrogen. Pneumatic troughs require a liquid ...
a trough filled with liquid, especially water, for collecting gases in bell jars or the
like by displacement. Origin of pneumatic trough. Expand. 1820-1830. 1820-30.
Dec 18, 2012 ... Although it sounds like some kind of euphemism from Brave New World, a "
pneumatic trough" is actually a very handy piece of classic ...
Pneumatic Trough. ... Trough is provided with an overflow outlet and is tapered to
allow nesting during storage. Dimensions are 10" long x 7" wide x 4" high.
(Chemistry) chem a shallow dishlike vessel filled with a liquid, usually water, and
used in collecting gases by displacement of liquid from a filled jar held with its ...
History of the Pneumatic Trough. By John Parascandola and Aaron J. Ihde*.
ALTHOUGH THE SOLID and liquid states of matter are the more tangible, it was.
Jul 2, 2012 ... In this activity, learners build a "pneumatic trough," a laboratory apparatus used
for collecting pure gas samples over water. After building this ...
Cylindrical, one piece pneumatic troughs •Much lighter than glass •Will withstand
up to 80°C.
Noun. pneumatic trough (plural pneumatic troughs). (chemistry) a piece of
laboratory apparatus used for collecting gases ...