 I have indicated. We have therefore in this mode of measurement all the accuracy we can desire ; and we find in practice in the workshop that it is easier to work to the ten-thousandth of an inch from standards of end measure than to the one-hundredth...  Lectures in a Workshop - Сторінка 98автори: Thomas P. Pemberton - 1882 - 115 стор.Повний перегляд - Докладніше про цю книгу
 | William Newton - 1857 - 428 стор.
...gravity piece adjusted so as just to fall by its weight, the heat imparted from the slightest tonch of the finger instantly prevents its fall ; thus showing...measures of length should be used, instead of lines. This question of correct measurement is in immediate connection with another, which will repay all... | |
 | Joseph Whitworth - 1858 - 234 стор.
...between the inch bar to be measured and one of the end surfaces of the machine. This thin bar, which I name the gravity piece, is brought into contact with...The question of correct measurement is in immediate connexion with another, which will repay all the attention that can be given to it, and I think there... | |
 | Thomas Minchin Goodeve, Charles Percy Bysshe Shelley - 1877 - 116 стор.
...5-0^0 oth of an mcn -in tne measuring planes of the ordinary workshop machine. As a matter of fact it is easier to work to the ten-thousandth of an inch from standards of end measure than to one-hundredth of an inch from the engraved lines on a graduated rule. In all cases of mechanical fitting... | |
 | Joseph Wickham Roe - 1916 - 422 стор.
...devoted to the advantages of end measurement. Referring to the machine before him, he said: "We have in this mode of measurement all the accuracy we can...the ten-thousandth of an inch from standards of end measurements, than to one-hundredth of an inch from lines on a two-foot rule. In all cases of fitting,... | |
 | Joseph Whitworth - 1882 - 154 стор.
...between the inch bar to be measured and one of the end surfaces of the machine. This thin bar, which I name the gravity piece, is brought into contact with...measures of length should be used instead of lines. This question of correct measurement is in immediate connection with another, which will repay all... | |
 | Franklin Institute (Philadelphia, Pa.) - 1857 - 526 стор.
...instantly prevents its fall ; thus showing the lengthening of the bar by so small an amount of heat as I have indicated. We have therefore in this mode of...measures of length should be used, instead of lines. This question of correct measurement is in immediate connexion with another, which will repay all the... | |
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