 | 1833 - 874 Seiten
...FIOUEF* OF REVOLUTION. A spherical Soap-bubble. A soap-bubble is simply a small quantity of яоар-snrU spread out so as to expose a large surface to the air. Thw bubble, in fact, has two surfaces, an outer and an inner surface, both exposed to air. It has,... | |
 | 1843 - 714 Seiten
...rubbing together equal parts of the two substances in a mortar. The mixture was placed in a watch glass, and spread out so as to expose a large surface to the air ; the watch glass was placed on a support in a copper vessel ; (the air contained in this vessel could be... | |
 | Edward Shaw - 1846 - 342 Seiten
...disturbed. If the setting take place too rapidly for the nature of the work, let the cement, in powder, be spread out so as to expose a large surface to the air, in a dry place ; in this manner the time of setting may be extended according to the time the powder... | |
 | Hilary Bauerman - 1868 - 450 Seiten
...or 3-| cwt., which is introduced in fragments as nearly as possible of the same size and thickness, and spread out so as to expose a large surface to the flame, in order that fusion may be effected uniformly and without much oxidation. The use of only one... | |
 | John Lawrence Smith - 1873 - 408 Seiten
...rubbing together equal parts of the two substances in a mortar. The mixture was placed in a watch -glass, and spread out so as to expose a large surface to...time .that the air in the interior arrived at 248° Fah. a change began to take place in the mixture, and at 266° Fah. it was of a darkbrown color. This... | |
 | John Lawrence Smith - 1878 - 416 Seiten
...explained how I supposed an alkali to react upon it. It was there ranked with athal and cholesterine. I then also stated that although a boiling solution...time that the air in the interior arrived at 248° Fah. a change began to take place in the mixture, and at 266° Fah. it was of a darkbrown color. This... | |
 | Hilary Bauerman - 1882 - 588 Seiten
...or 3£ cwt., which is introduced in fragments as nearly as possible of the same size and thickness, and spread out so as to expose a large surface to the flame, in order that fusion may be effected uniformly and without much oxidation. The use of only one... | |
 | Hugh Chisholm - 1911 - 1032 Seiten
...Liquid Films which are Figures of Revolution — A soap bubble is simply a small quantity of soap-suds spread out so as to expose a large surface to the air. The bubble, in fact, has two surfaces, an outer and an inner surface, both exposed to air. It has, therefore,... | |
 | 1910 - 1032 Seiten
...Liquid Filtra wkuh are Figures of Raolution. — A soap bubble is simply a small quantity of soap-suds spread out so as to expose a large surface to the air. The bubble, in fact, has two surfaces, an outer and an inner ff*,.'**^ surface, both exposed to air. It... | |
 | 1843 - 922 Seiten
...explained how I supposed an alkali to react upon it ; it was there ranked with athal and cholesterine. I then also stated, that although a boiling solution...time that the air in the interior arrived at 248° Fah. a change began to take place in the mixture, and at 266° Fah. it was of a dark brown color. This... | |
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The mixture was placed in a watch-glass, and spread out so as to expose a large surface to the air; the watch-glass was placed on a support in a copper vessel (the air contained in this vessel could be brought to any required temperature). The experiment... 