The Mechanic, Or, Compendium of Practical Inventions

The Mechanic, Or, Compendium of Practical Inventions

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1818 edition. Excerpt: ...of ruddtrs. England, the following table is subjoined for the purpose of reference: 1 Decilitre is equal ta 6.10280 English cubic inches. 1 Gramme 15.4457 English troy grains. 1 Decagramme.10 grammes. 1 Hectogramme 100 grammes. 1 Kilogramme 1000 grammes. Method of preventing the total Loss of a Ship's Rudder, when its Supports are destroyed. This invention has met with the approbation of the first practical seamen; it has also the recommendations of being fitted without inconvenience or expense, and is calculated to benefit all vessels that have two rudder heads, or two holes for the tiller, which is the case with all men of war and Indiamen. As it is from misfortune chiefly that experimental knowledge is gained at sea, when combating with contending elements, and each hour aggravating former calamity; the mariner thus furnished with one great resource, may find his ideas strengthened by exigency, and surmount with ease other surrounding dangers. But the frequent disasters which have hitherto happened, point out the necessity of some certain plan, to prevent this misfortune; for it is a just remark, that few ships beat off their rudder, by striking on the ground, without losing I hem altogether; such was the case with the Royal George, and Naraur, in Torbay, and a vast number of other vessels which might be mentioned, as having suffered the same loss within a short period. Foreign vessels in general, endeavour to guard against losing their rudder altogether, but their attempts have been ineffectual; their plan is to have a strap or rope from the main-piece of the rudder to a hole in the stern-post, at the water's edge; but this expedient has always proved of small avail; for, without doubt, the violence which can so shatter and destroy the...show more

Product details

  • Paperback | 190 pages
  • 189 x 246 x 10mm | 349g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236650956
  • 9781236650955