Official Descriptive and Illustrated Catalogue of the Great Exhibition of the Works of Industry of All Nations, 1851 ..., Volume 2

Voorkant
Spicer brothers, 1851
 

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Pagina 719 - ... the difficulty does not end here, for, as a definite heat can alone give to a colour a perfect hue, and as the colour is continually varying with the different stages of graduated heat, another risk is incurred — that resulting from the liability of its receiving the heat in a greater or less degree, termed 'over-fired' and
Pagina 719 - But if by want of judgment or inattention in the fireman, the heat is allowed to exceed that point, the beauty and brilliancy of the colour are destroyed beyond remedy, and it becomes a dull purple. On the other hand, should the fire be too slack, the colour is presented in one of its intermediate stages, as already described ; but in this case extra heat will restore it. Nor must we forget to allude to the casualties of cracking and breaking in the kilns by the heat being increased or withdrawn...
Pagina 593 - ... seven years ago, ropes composed of twisted iron wire, as a substitute for the flat ropes previously in use. Since that time they have been adopted throughout the mines of Hungary and most of those in the Austrian dominions, to the almost total exclusion of flat and round ropes made of hemp. These iron ropes are of equal strength with a hempen rope of four times the weight. One has been in use upwards of two years without any perceptible wear, whereas a flat rope performing similar work would...
Pagina 726 - ... as previously described, ensues. It is then dried in an oven, to harden the oil and colour, and immersed in water, which penetrates to the stencil ; and, softening, the sugar is then easily washed off, carrying with it any portion of colour or oil that may be upon it, and leaving the ware perfectly clean.
Pagina 529 - Hungarian lamb 1ч produced in that country in immense numbers; of it the national coat, called the Juhasz Bunda, is made. In the summer or wet weather the fur or woolly part is worn outside; in winter, when warmth is required, it is reversed : the skin is tanned or dressed in a way peculiar to the country, and decorated and embroidered in accordance with the means and taste of the wearer. In Spain, the lamb i...
Pagina 844 - Sabrina fair, Listen where thou art sitting Under the glassy, cool, translucent wave, In twisted braids of lilies knitting The loose train of thy amber-dropping hair, Listen for dear honour's sake, Goddess of the silver lake, Listen, and save. Listen and appear to us, In name of great Oceanus ; By the earth-shaking Neptune's mace, And Tethys...
Pagina 540 - The fourpenny-rate, and the alteration in the system of charge by number of enclosures to that by weight, was introduced on the 5th of December, 1839, and on the 10th of January, 1840, the rate was reduced to one penny : during that year the number of letters increased to 169,000,000, about half of which were enclosed in envelopes. The number of letters has been steadily increasing since that period, and during the year 1850, it reached the astonishing number...
Pagina 857 - ... method calculated at once to interest the public and to give such confidence to the manufacturer as to induce him to submit them to trial. Their exhibition, therefore, is calculated not only to be of great use to the manufacturer, but of essential benefit to such countries as possess many little known products possessed of valuable properties, and procurable in large quantities at a cheap rate, if a demand could be created for them. India, already the Koh-i-noor of the British crown, could contribute...
Pagina 720 - ... retains it. A preparation of glue being run upon flat dishes, about a quarter of an inch thick, is cut to the size required for the subject, and then pressed upon it, and being immediately removed, draws on its surface the oil with which the engraving was filled. The glue is then pressed upon the ware, with the oiled part next the glaze ; and being again removed, the design remains, though, being in a pure oil, scarcely perceptible.
Pagina 857 - ... calling forth new products and directing attention to the subject, and to this country in furnishing suggestions, &c. and new materials for manufactures. The following is the communication referred to in the above Report : " On the Exhibition of Raw Products and Manufactured Articles from India. " INDIA, vast in extent and diversified in surface, is remarkable as the cradle of one, at least, of the nations who earliest practised the arts and cultivated the sciences which characterise civilization,...

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