Mechanics Magazine, 2권Knight & Lacey, 1824 |
도서 본문에서
100개의 결과 중 1 - 5개
431 페이지
... wood of various kinds , and to various depths . In the course of the last 50 years there have been many experiments made on the strength and stiffness of various sub- stânces used in the construction of buildings and machinery ; and al ...
... wood of various kinds , and to various depths . In the course of the last 50 years there have been many experiments made on the strength and stiffness of various sub- stânces used in the construction of buildings and machinery ; and al ...
432 페이지
... wood of different species , the follow ing short abstract may suffice : - Force , in lbs . avoirdupois , necessary to draw a common sixpenny nail , driven one inch at right angles into the grain . In dry oak dry beech 507 lbs . 667 dry ...
... wood of different species , the follow ing short abstract may suffice : - Force , in lbs . avoirdupois , necessary to draw a common sixpenny nail , driven one inch at right angles into the grain . In dry oak dry beech 507 lbs . 667 dry ...
437 페이지
... wood chairs " the other ; or even by no deno mination at all , as the answer is the same , and perfectly correct in either case . The multiplicand and multiplier in this state , are but a series of numerical chas racters or figures ...
... wood chairs " the other ; or even by no deno mination at all , as the answer is the same , and perfectly correct in either case . The multiplicand and multiplier in this state , are but a series of numerical chas racters or figures ...
7 페이지
... wood chairs " the other ; or even by no deno mination at all , as the answer is the same , and perfectly correct in either case . The multiplicand and inultiplier in this state , are but a series of numerical cha racters or figures ...
... wood chairs " the other ; or even by no deno mination at all , as the answer is the same , and perfectly correct in either case . The multiplicand and inultiplier in this state , are but a series of numerical cha racters or figures ...
14 페이지
... wood ( as many per sons may argue it will ) , this simple operation , by exposing the heart of the tree to the action of the atmos- phere , will do all that is necessary for procuring ( if not hearty , what is still better ) , hardy oak ...
... wood ( as many per sons may argue it will ) , this simple operation , by exposing the heart of the tree to the action of the atmos- phere , will do all that is necessary for procuring ( if not hearty , what is still better ) , hardy oak ...
기타 출판본 - 모두 보기
자주 나오는 단어 및 구문
angle appears applied artizans atmosphere Birmingham body boiler bottom cause centre centrifugal force circle circumference colours Combination Act Committee communication condenser construction copper correspondent cube cube root cylinder diameter draw dry-rot effect employed engine equal experiments feet figure force France friction GENTLEMEN give given Glasgow greater Hansard heat HENRY DEACON improvement inches Institution invention iron James Watt labour length lever London machine machinery manner manufacture matter means Mechanic's Magazine mechanics ment metal method Metron mode motion neral obedient servant observed paper perpetual motion piece pipe piston pounds present pressure principle produced purpose quantity quired readers screw ship side solder square steam steam-engine suppose surface tical timber tion tube valve velocity velocity of sound vessel wages Watt weight wheel whole wood workmen
인기 인용구
408 페이지 - England, with all thy faults, I love thee still — My country ! and, while yet a nook is left Where English minds and manners may be found, Shall be constrain'd to love thee.
63 페이지 - It is a pleasure to stand upon the shore and to see ships tossed upon the sea; a pleasure to stand in the window of a castle and to see a battle and the adventures thereof below: but no pleasure is comparable to the standing upon the vantage ground of truth, (a hill not to be commanded, and where the air is always clear and serene) and to see the errors, and wanderings, and mists, and tempests, in the vale below": so always, that this prospect be with pity, and not with swelling or pride.
67 페이지 - Studies serve for delight, for ornament, and for ability. Their chief use for delight, is in privateness and retiring; for ornament, is in discourse; and for ability, is in the judgment and disposition of business...
409 페이지 - ... the obedience of the subject will be voluntary, cheerful, and I might almost say unlimited. A generous nation is grateful even for the preservation of its rights, and willingly extends the respect due to the office of a good prince into an affection for his person.
186 페이지 - And Moses was an hundred and twenty years old when he died : his eye was not dim, nor his natural force abated.
191 페이지 - To describe an isosceles triangle, having each of the angles at the base double of the third angle.
408 페이지 - To shake thy senate, and from heights sublime Of patriot eloquence to flash down fire Upon thy foes, was never meant my task : But I can feel thy fortunes, and partake Thy joys and sorrows...
409 페이지 - A generous nation is grateful even for the preservation of its rights, and willingly extends the respect due to the office of a good prince into an affection for his person. Loyalty, in the heart and understanding of an Englishman, is a rational attachment to the guardian of the laws.
146 페이지 - I am using at present. [Since the above was in type, we have received a letter from the writer, in which he ingenuously states that he has been informed, since transmitting it, that a tool precisely similar in principle, called the Expanding Centre Bit, is already known to mechanics. As we have no doubt, however, that the present invention was an original one with him, and as it possesses, besides, great merit, we see no occasion for withdrawing the account of it.— EDIT.] STEAM ARTILLERY.
407 페이지 - Knowledge in general expands the mind, exalts the faculties, refines the taste of pleasure, and opens numerous sources of intellectual enjoyment. By means of it we become less dependent for satisfaction upon the sensitive appetites, the gross pleasures of sense are more easily despised, and we are made to feel the superiority of the spiritual to .the material part of our nature.