"Air pump" Quotes from Famous Books
 ... perfectly air-tight, and strong enough, by means of iron bars running alternately inside and out, to resist the pressure of the atmosphere, when the machine should be exhausted of its air, as we took the precaution to prove by the aid of an air pump. On the top of the copper chest and on the outside, we had as much of the lunar metal (which I shall henceforth call lunarium) as we found by calculation and experiment, would overcome the weight of the machine, as well as its contents, and take us to the moon on the third ...
— A Voyage to the Moon • George Tucker
... respect to the remedies, these are as simple as the evils to be cured are great. For instance, there was a lodging house in Glasgow where fever resided; "but by making an opening from the top of each room, through a channel of communication to an air pump, common to all the channels, the disease disappeared altogether." Other modes of ventilation are suggested in the Report; and one very simple device introduced by Mr. Toynbee, a perforated zinc plate fixed in ...
— The Claims of Labour - an essay on the duties of the employers to the employed • Arthur Helps
... built a plastic igloo, smaller than the living room in the larger service station igloo. They ranged instruments inside—one of them Jon Karyl recognized as an air pump from within the station—and ...
— Acid Bath • Vaseleos Garson
... e, linseed oil is introduced into the vessel, B, until the latter is half full, and, after this, e is closed and the worm, S, is allowed to raise the temperature to between 60 deg. and 80 deg.. Then the cock of the tube, d, which communicates with an air pump, is opened, and the pressure is diminished to about 730 mm. of mercury. At this moment the oxidizing apparatus are put in communication with an induction bobbin that is interposed in the circuit of a dynamo, while through the tube, n, there is made to enter a mixture of equal parts (in volume) ...
— Scientific American Supplement, No. 492, June 6, 1885 • Various
... tray is a perforated cross-pipe that is connected with a compressed-air line. This is used when case-hardening for colors. The shop that has no air compressor may rig up a satisfactory equivalent in the shape of a low-pressure hand-operated air pump and a receiver tank, for it is not necessary to use high-pressure air for this purpose. When colors are desired on case-hardened work, the treatment in quenching is exactly the same as that previously described except that air is pumped ...
— The Working of Steel - Annealing, Heat Treating and Hardening of Carbon and Alloy Steel • Fred H. Colvin |
