 | 1826 - Страниц: 488
...whichyyis the collar, made of iron or brass: d the plug, which is ground air-tight into the collar, and kept in its place by the spiral spring which surrounds...screwed down upon the ring that secures the plate b. In the cross piece works a regulating screw, e, which may be screwed down upon the head of the plug... | |
 | Luke Herbert - 1826 - Страниц: 408
...fixed the valve, of which/ is the collar, made of iron or brass ; d the plug, which is ground air-tight into the collar, and is kept in its place by the spiral spring which surrounds its stem, and the stay «.- over the whole is fixed a strong cross piece «, which is firmly screwed down upon the ring that... | |
 | William Newton, Charles Frederick Partington - 1826 - Страниц: 448
...valve, of which f, f, is the collar, made of iron or brass ; d, the plug, which is ground air-tight into the collar, and is kept in its place by the spiral spring which surrounds its stern, and the stay clover the whole is fixed a strong cross piece a, a, which is firmly screwed down... | |
 | 1827 - Страниц: 478
...the valve, of whichy/'is the collar, made of iron or brass : A the plug, which is ground air-tight into the collar, and is kept in its place by the spiral...screwed down upon the ring that secures the plate b. In the cross piece works a regulating screw, e, which may be screwed down upon the head of the plug... | |
 | 1828 - Страниц: 888
...fixed the valve, of which/ is the collar, made of iron or brass; d the plug, which is ground air-tight into the collar, and is kept in its place by the spiral spring which surrounds its stem, and the stay e: over the whole is fixed a strong cross piece a, which is firmly screwed down upon the ring that... | |
 | Elijah Galloway - 1829 - Страниц: 890
...made of • Register of ArU, vol. iv. p. 37. iron or brass; </ the plug, which is ground air-tight into the collar, and is kept in its place by the spiral spring which surrounds its stem, and the stay e: over the whole is fixed a strong cross-piece a, which is firmly screwed down upon the ring that... | |
 | Elijah Galloway - 1836 - Страниц: 888
...collar, made of * Register of Arts, vol. iv. p. 37. iron or brass; d the plug, which is ground air-tight into the collar, and is kept in its place by the spiral spring which surrounds its stem, and the slay a : over the whole is fixed a strong cross-piece a, which is firmly screwed down upon the ring... | |
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II.) where bb is the copper dish, surrounded by a ring of the same, by which the plate is firmly screwed down upon the rim of the main hole. In the middle of... 