Air-pump Sentence Examples
As originated by Regnault, it consisted in filling a large glass globe with the gas by alternately exhausting with an air-pump and admitting the pure and dry gas.
This can be shown by suspending an electric bell in the receiver of an air-pump, the wires conveying the current passing through an air-tight cork closing the hole at the top of the receiver.
Thus in the air-pump experiment, before exhaustion it travels through the glass of the receiver and the base plate.
Thus he became the inventor of the air-pump (1650).
Otto von Guericke (1602-1686), the inventor of the air-pump, was burgomaster of Magdeburg.Advertisement
In this way an exact comparison of the weights in vacuo can be computed, but of course the simplest way of arriving at the result would be by the construction of a strong air-tight case which can be completely exhausted of air by an air-pump, and in which the weighing can then be effected in vacuo.
In 1810 Sir John Leslie combined with the air pump a vessel containing strong sulphuric acid for absorbing the vapour from the air, and is said to have succeeded in producing I to 1 z lb of ice in a single operation.
The diaphragm air pump can be fitted with tubing an airstone to produce a glorious array of bubbles.
Nicotine nasal spray consists of a bottle of nicotine solution which is sprayed into a nostril by an air pump plunger via a nozzle.
The suction may be derived from any form of air-pump; a form often employed where water at fair pressure is available is the jet-pump, which in consequence is known as a filter-pump. Another method of filtering into a vacuum is to immerse a porous jar ("Pukall cell") in the liquid to be filtered, and attach a suction-pipe to its interior.Advertisement
Reading in 1657 of Otto von Guericke's air-pump, he set himself with the assistance of Robert Hooke to devise improvements in its construction, and with the result, the "machina Boyleana" or "Pneumatical Engine," finished in 1659, he began a series of experiments on the properties of air.
Purchasing an air mattress usually means buying an air pump to go along with it.
Air pump - An aquarium air pump is used with the deep water culture or reservoir method of hydroponic growing, where the plant roots actually sit in the liquid nutrient solution.
An air stone should be used with the air pump to help properly oxygenate the water.
The unit is made of an extremely strong PVC bladder covered in turquoise and white nylon fabric, and inflates quickly with the use of an electric air pump.Advertisement
Robert Boyle, who turned his skill to account in the construction of his air-pump. On the 12th of November 1662 he was appointed curator of experiments to the Royal Society, of which he was elected a fellow in 1663, and filled the office during the remainder of his life.
The invention of the mechanical air-pump is generally attributed to Otto von Guericke, consul of Magdeburg, who exhibited his instrument in 1654; it was first described in 1657 by Gaspar Schott, professor of mathematics at Wurttemberg, in his NI echanica hydraulico-pneumatica, and afterwards (in 1672) by Guericke in his Experimenta nova Magdeburgica de vacus spatia.
Mile of Warsaw in 1828, who termed it a "hydrostatic air-pump without cylinders, taps, lids or stoppers," this is attained by using, both for the inlet and the outlet, vertical capillary glass tubes, soldered, the former to somewhere near the bottom, the latter to the top of the vessel.
In this it passes through four sheets of water, by which it is not only freed from any dust and dirt that may have come over with it from the kiln, but is also cooled to a temperature which permits an air-pump to withdraw the gas from the kiln, through the gas-washer, and force it into the saturators, without overheating.
He was the first to employ mercury for the air-pump, and devised a method of determining longitude at sea by observations of the moon among the stars.Advertisement