The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Band 40

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M. Salmon, 1844
 

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Seite 127 - BLACK. -A PRACTICAL TREATISE ON BREWING, Based on Chemical and Economical Principles: with Formula; for Public Brewers, and Instructions for Private Families. By WILLIAM BLACK, Practical Brewer.
Seite 287 - Encyclopaedia of Domestic Economy ; comprising such subjects as are most immediately connected with Housekeeping : As, The Construction of Domestic Edifices, with the Modes of Warming, Ventilating, and Lighting them — A description of the various articles of Furniture, with the nature of their Materials — Duties of Servants — &c.
Seite 332 - ... where any man, by his own charge and industry, or by his own wit or invention, doth bring any new trade into the realm, or any engine tending to the furtherance of a trade that never was used before, and that for the good of the realm, that in such cases the king may grant to him a monopoly patent, for some reasonable time, until the subjects may learn the same, in consideration of the good that he doth bring by his invention to the commonwealth, otherwise not.
Seite 127 - ELEMENTS OF NATURAL HISTORY, For the use of Schools and Young Persons : comprising the Principles of Classification, interspersed with amusing and instructive original Accounts of the most remarkable Animals. By Mrs. R. LEE (formerly Mrs. TE BOWDICH), Author of "Taxidermy," "Memoirs of Cuvier,
Seite 118 - JACOBI, at St Petersburg!), has also made a discovery which promises to be of little less importance to the arts. He has found a method — if we understand our informant rightly — of converting any line, however fine, engraved on copper, into a relief, by galvanic process. The Emperor of Russia has placed at the Professor's disposal, funds to enable him to perfect his discovery.
Seite 60 - On the fourteenth* day from the commencement of the experiment, I observed, through a lens, a few small whitish excrescences or nipples projecting from about the middle of the electrified stone, and nearly under the dropping of the fluid above. On the eighteenth* day, these projections enlarged, and seven or eight filaments, each of them longer than the excrescence from which it grew, made their appearance on each of the nipples. On the...
Seite 60 - ... each of the nipples. On the twentysecond day these appearances were more elevated and distinct, and on the twenty-sixth day each figure assumed the form of a perfect insect, standing erect on a few bristles which formed its tail. Till this period...
Seite 332 - I will show you how the judges have heretofore allowed of monopoly patents — which is that when any man by his own energy and industry or by his own charge and industry, or by his own wit or invention doth bring any new trade into the realm, or any engine tending to the furtherance of a trade . . that never was used before, and that for the good of the realm...
Seite 128 - Elements of Geometry : consisting of the first four, and the sixth, Books of Euclid, chiefly from the Text of Dr. Robert Simson ; with the principal Theorems m Proportion, and a Course of Practical Geometry on the Ground.
Seite 375 - The most remarkable," says Sir Gardiner Wilkinson, "are the door-ways surrounding the tanks of Assassief, which are composed of two, or more, concentric semi-circles of brick, as well constructed as at the present day, and all the bricks radiate to a common centre.

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