Morning Walks; or, Steps to the study of Mineralogy ... By the author of “Morning Conversations,” etcHarvey and Darton, 1830 - 361 páginas |
Otras ediciones - Ver todas
Morning Walks: Or, Steps to the Study of Mineralogy, by the Author of ... Morning Walks Sin vista previa disponible - 2016 |
Términos y frases comunes
acquainted ALEXANDER amber amianthus amusement ancients antimony arsenic aunt barytes basalt beautiful Ben Wyvis bodies borax brittle called caloric carbonic acid cerium coal coined colour combination copper Cramond dear Jean Derbyshire diamond discovered earth ELIZABETH EMILY employed endeavour England enquire explained Fanny fire fluid France genus give glass Glucine gold grandmamma happy heard heavier than water hope iron kind known lead lime M'Ivor mamma marble mean meerschaum mellitic acid melted mercury metal mica mineral mineralogy mines MISS ANGERSTEIN morning muriatic naphtha native nature never obtained oxyde oxygen papa pencils phosphorus piece pleasure plumbago polish procured pure quantity recollect rock salt Saxony Scotland Siberia silex silver sisters slate soda sometimes stalactite Stewart stone substance sulphur sulphuric acid suppose tell thing tion told tufa vitriol walk wish young
Pasajes populares
Página 198 - ... exuded, which serves to define the angles precisely; and at the same time vary the colour with a great deal of elegance, and to render it still more agreeable, the whole is lighted from without; so that the farthest extremity is very plainly seen from without, and the air within being agitated by the flux and reflux of the tides, is perfectly dry and wholesome, free entirely from the damp vapours with which natural caverns in general abound. We asked the name of it. Said our guide, 'The cave...
Página 113 - ... three, four, and even five feet. Frequently the pillar is interrupted as it were in the middle, losing its columnar form, and twisting, dividing, or spreading itself out into innumerable shapes. Sometimes it dilates into a broad thin plate, almost transparent in the light of a lamp ; sometimes this plate curves itself round in a circular form ; sometimes the descending part tapers to a point, which rests on the broad surface of the ascending stalagmite. The walls are entirely coated with the...
Página 158 - It is employed by lapidaries in the cutting and polishing of precious stones ; by opticians, in smoothing the surface of the finer kinds of glass, preparatory to their being polished ; by cutlers and other manufacturers of iron and steel instruments ; by masons, in the polishing of marble; and, in their respective businesses, by locksmiths, glaziers, and numerous other artisans.
Página 318 - With these he had lived nine months, till, by a close investiture of the place in which they were concealed, and after a very obstinate resistance, in which the greater part of them were killed, he was taken and carried to Vicuna, in order to be broken alive upon the wheel.
Página 290 - Nero, fifty pounds of gold were taken daily from the mines of that province, and that it was found on the surface of the ground.
Página 180 - ... tower. They were kept in ignorance of the queen's condition, but, knowing how much she had always been accustomed to beguile her sorrows by work, they besought permission to send her some materials. They collected all the silks and worsted they could find, and also a pair of little stockings which she had begun to knit for the dauphin. But these things she was not permitted to have, under pretence that she might destroy herself with the knitting-needles.
Página 247 - Scoop'd in the briny rock long streets extend Their hoary course, and glittering domes ascend , Down the bright steeps, emerging into day, Impetuous fountains burst their headlong way, O'er milk-white vales in ivory channels spread, And wondering seek their subterraneous bed.
Página 323 - The uses of copper, in all its various states, are almost endless, and only, if at all, inferior to those of iron. Alloyed with certain proportions of zinc it forms brass, pinchbeck, tinsel, and Dutch gold, in imitation of gold leaf. With a small proportion of tin, copper forms bronze or bell metal; but if the proportion of tin amount to one-third, it forms speculum metal, used for reflecting telescopes. With zinc and iron, it forms tutenag.
Página 181 - ... earth, slate, and a variety of other mineral productions. There is indeed scarcely any mineral substance more useful to mankind than alumine. In the state of clay, it forms large strata of the earth, gives consistency to the soil of valleys, and of all low and damp spots, such as swamps and marshes. The beds of lakes, ponds, and springs, are almost entirely of clay ; instead of allowing of the...
Página 315 - ... save themselves above ground, and the idea was adopted of extinguishing the fire by excluding the air. All the passages were closed as near to the supposed scene of the conflagration as they could be reached. The two shafts which lead immediately above ground were stopped up outside, and plastered over with clay. Five weeks the mine remained thus sealed up, but without effect. Twice, during this period, the coverings above were removed ; each time the enemy was found more furious than before....