...surrounds the bladder under the receiver, so as to relieve the small quantity of air which is enclosed in the bladder from the pressure of the external air...compressed, and evolves so much heat as to light the , incler In all the cases where friction or percussion produces heat or fire, it is because they are...

...compressed, it becomes so hot as to ignite cotton and other substances. An ingenious instrument for producing light for domestic uses has been constructed, consisting...compressed, and evolves so much heat as to light the tinder. — Lardner. Why is the iron rim of a coach wheel heated before putting on? Because the expansion of...

...compressed, it becomes so hot as to ignite cotton and other substances. An ingenious instrument for producing light for domestic uses has been constructed, consisting...compressed, and evolves so much heat as to light the tinder. — Lardner. Why is the iron rim of a coach wheel heated before putting on ? Because the expansion...

...compressed, it becomes BO hot as to ignite cotton and other substances. An ingenious instrument for producing light for domestic uses has been constructed, consisting...compressed, and evolves so much heat as to light the tinder. — Lardner. Why is the iron rim of a coach wheel healed before putting on ? Because the expansion...

...compressed, it becomes so hot as to ignite cotton and other substances. An ingenious instrument for producing light for domestic, uses has been constructed, consisting...compressed, and evolves so much heat as to light the tinder.—Lardner. Why is the iron rim of a coach wheel heated before putting on ? Because the expansion...

...uses has been constructed, consisting of a small cylinder, in which a solid piston moves air tight ; a little tinder, or dry sponge, is attached to the...flesh — are all to be attributed to the same cause. INERTIA. The quality of matter which is of all others the most important in mechanical investigations,...

...uses has been constructed, consisting of a small cylinder, in which a solid piston moves air tight ; a little tinder, or dry sponge, is attached to the...because they are means of compression. The effects of Hints — of pieces of wood nibbed together — the warmth produced by friction on the flesh — are...