Transactions of the Society Instituted at London for the Encouragement of Arts, Manufactures, and Commerce, Volumes 29-30

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Page 207 - Government, sensible of what is here stated, have long given every possible encouragement for an extensive propagation. But to render it still more general, the native land-holders must be made sensible of the advantages they may expect to derive from large plantations thereof. The growth of the tree is rapid, and at all ages the wood (from various experiments,) appears excellent. Some trees in the Honourable Company's Botanic Garden, brought from the...
Page 17 - ... a paper sealed up, having on the outside a corresponding mark, and on the inside the claimant's name, residence, and age ; which paper is not to be opened unless the candidate be successful, or by a special vote of the Society. To encourage real merit; and prevent attempts to impose...
Page 109 - Rumford's plan, to heat from a separate fire-place. The time from the fire being lighted till the bread was baked at twice, was five hours, in which time six pounds of Walls-end coals and three pounds of cinders were consumed, besides a small quantity of wood, used merely to light the fire.
Page 21 - Licences for that purpose under the Hand and Seal of the Governor or Commander in Chief of the...
Page 105 - ... intended chimney-piece, the sides, ends and tops of which moulds are made of moveable pieces, previously oiled with the following mixture. Take one pint of the droppings of sweet oil, which costs about one shilling the pint, and add thereto one pint of clear...
Page 7 - RAISING OAKS. To the person who shall ascertain in the best manner, by actual experiments, the comparative merits of the different modes of raising oaks for timber, either from acorns set on land properly dug or tilled, from...
Page 17 - It is required, that the matters for which premiums are offered, be delivered in without names or any intimation to whom they belong; that each...
Page 160 - I804 ; and some remarks by myself in one of the volumes of the Transactions of the Society for the Encouragement of Arts, &c.
Page 14 - ... gravity not inferior to the best sulphuric acid of commerce ; the gold medal, or fifty guineas. Certificates that not less than the above quantity of such an acid has been prepared , together with a sample, to be produced to the Society on or before the first Tuesday in January, 1812. 8.'!.
Page 11 - To tne person who shall invent a machine, superior to any hitherto known or in use, to answer the purpose of dibbling wheat, by which the holes for receiving the grain may be made at equal distances and proper depths ; the silver medal and ten guineas. The machine, with certificates that at least three acres have been dibbled by it, to be produced to the Society on or before the second Tuesday in January, 1812.

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