- A
pneumatic trough is a
piece of
laboratory apparatus used for
collecting gases, such as hydrogen,
oxygen and nitrogen. It is
mainly made of gl**** or various...
-
study of
gases was
brought about by
Hales with the
invention of the
pneumatic trough, an
instrument capable of
collecting the gas
given off by reactions...
-
receiving jar or tube
while a gas is
being collected over
water with a
pneumatic trough. It is used so that when the gas
emerges from the
delivery tube into...
- pressure. He also
invented several devices,
including a ventilator, a
pneumatic trough and a
surgical forceps for the
removal of
bladder stones. In addition...
-
revisions to the
existing combustion methods with a
sophisticated pneumatic trough.
These revisions were the
flushing of the
combustion tube with carbon...
-
began experimenting with
different "airs"
using his own
redesigned pneumatic trough in
which mercury instead of
water would trap
gases that were usually...
-
called a gazomètre, to ****ist his work in
pneumatic chemistry. It
enabled him to
weigh the gas in a
pneumatic trough with the
precision he required. He published...
-
water with the metal.
Lavoisier developed a new
apparatus which used a
pneumatic trough, a set of balances, a thermometer, and a barometer, all calibrated...
- too deep. The four main
types of
caisson are box caisson, open caisson,
pneumatic caisson and
monolithic caisson. A box
caisson is a
prefabricated concrete...
- "nitrous air test",
which tested for the "goodness of air":
using a "
pneumatic trough", he
would mix
nitrous air with a test sample, over
water or mercury...
