1: : The opening lecture was twice postponed on account of Dr. Faraday's illness. 2: : Platinum, with one exception the heaviest body known, is 21 1/2 times heavier than water. 3: : Aluminium is 2 1/2 times heavier than water. 4: : Power or property in water. This power - the heat by which the water is kept in a fluid state - i[...] 5: : Anhydrous sulphate of copper: sulphate of copper deprived of its water of crystallization. To obt[...] 6: : Add a little liquid to the marble and decompose it. Marble is composed of carbonic acid and lime,[...]
7: : Crystallization of alum. The solution must be saturated - that is, it must contain as much alum a[...] 8: : Red precipitate of biniodide of mercury. A little care is necessary to obtain this precipitate. T[...] 9: : Paper coated with scarlet biniodide of mercury. In order to fix the biniodide on paper, it must [...] 10: : "Prince Rupert's Drops." These are made by pouring drops of a melted green glass into cold water[...] 11: : Thick glass vessels - They are called Proofs or Bologna phials. 12: : Mica. A silicate of alumina and magnesia. It has a bright metallic lustre; hence its name, from [...] 13: : Common salt or chloride of sodium crystallizes in the form of solid cubes, which, aggregated tog[...] 14: : Iceland or calc-spar. Native carbonate of lime in its primitive crystalline form.
15: : Solution of a salt. Acetate of soda. A solution saturated, or nearly so, at the boiling point, is[...] 16: : Binoxide of nitrogen and hyponitrous acid. Binoxide of nitrogen is formed when nitric acid and a [...]
17: : 'Ydwp, "water," and yevvaw, "I generate." 18: : Chlorate of potash and sulphuret of antimony. Great care must be taken in mixing these substances[...] 19: : The mixture of chlorate of potash and sugar does not require the same precautions. They may be r[...] 20: : Two salts dissolved in water. Sulphate of soda and chloride of calcium. The solutions must be sa[...] 21: : Lead pyrophorus. This is tartrate of lead which has been heated in a glass tube to dull redness a[...] 22: : Guncotton is made by immersing cotton wool in a mixture of sulphuric acid and the strongest nitri[...] 23: : Paper prepared like guncotton. It should be bibulous paper, and must be soaked for ten minutes in[...]
24: : Sulphindigotic acid. A mixture of one part of indigo and fifteen parts of concentrated oil of vit[...] 25: : Lead tree. To make a lead tree, pass a bundle of brass wires through the cork of a bottle, and f[...]
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