 Y s, when in action, sustain the whole beam. When the lever is freed from a notch in which it is lodged, a spring is allowed to act upon the tube we have mentioned, and to elevate it. The upper Y s first meet the agate planes carrying the scale-pans and...  Chemical and pharmaceutical manipulations - หน้า 102โดย Campbell Morfit - 1857 - 626 หน้ามุมมองทั้งเล่ม - เกี่ยวกับหนังสือเล่มนี้
 | Henry Kater, Dionysius Lardner - 1830 - 412 หน้า
...the lower to receive the knife-edges which form the points of support, consequently these latter Y s, when in action, sustain the whole beam. When the lever...tube we have mentioned, and to elevate it. The upper Y s first meet the agate planes carrying the scale-pans and free them from the knife-edges. The lower... | |
 | Henry Kater, Dionysius Lardner - 1830 - 602 หน้า
...the points of support, consequently these latter Y *, when in action, sustain the whole beam. MTien the lever is freed from a notch in which it is lodged,...tube we have mentioned, and to elevate it. The upper Y s first meet the agate planes carrying the scale-pans and free them from the knife-edges. The lower... | |
 | 1831 - 358 หน้า
...lodged, a spring is allowed to act upon the tube we have mentioned, and to elevate it. The upper Y s first meet the agate planes carrying the scale-pans, and free them from the knife-edges. The lower Y s then come into action, and raise the whole beam, elevating the central knife-edge above the agate... | |
 | Henry Kater, Dionysius Lardner - 1831 - 390 หน้า
...lodged, a spring is allowed to act upon the tube we have mentioned, and to elevate it. The upper Y s first meet the agate planes carrying the scale-pans, and free them from the knife-e^5The lower Y 5 then come into action, and raise the whole beam, elevating the central knife-edge... | |
 | Henry Kater, Dionysius Lardner - 1852 - 408 หน้า
...lower to receive the knife-edges which form the points of support, consequently these latter Y s, wheu in action, sustain the whole beam. When the lever...tube we have mentioned, and to elevate it. The upper Y » first meet the agate planes carrying the scale-pans and free them from the knife-edges. The lower... | |
 | Robert Dundas Thomson - 1854 - 566 หน้า
...knife edges themselves, which form the points of suspension of the pans, consequently the lower Y's, when in action, sustain the whole beam. When the lever...is lodged, a spring is allowed to act upon the tube already mentioned, and to «kTMe it. The upper Y's flrst meet the agate рЬшез carrying the scale... | |
 | James Curtis Booth - 1862 - 1054 หน้า
...knife-edges themselves, which form the points of suspension of the pans, consequently these latter Y «, when in action, sustain the whole beam. When the lever...tube we have mentioned, and to elevate it. The upper Y » first meet the agate planes carrying the scale-pans and free them from the knife-edges. The lower... | |
 | Henry Minchin Noad - 1864 - 494 หน้า
...the lower to receive the knife-edges which form the points of support: consequently these Litter T's, when in action, sustain the •whole beam. " When...planes carrying the scale-pans and free them from the knife-edge. The lower Y's then come into action and raise the whole beam, elevating the central knife-edge... | |
 | Henry Minchin Noad - 1864 - 694 หน้า
...lower to receive the knife-edges which form the points of support : consequently these latter Y's, when in action, sustain the whole beam. " When the...tube we have mentioned, and to elevate it. The upper Ys first meet the agate planes carrying the scale-pans and free them from the knife-edge. The lower... | |
 | Henry Minchin Noad - 1864 - 742 หน้า
...support : consequently these latter T's, when in action, sustain the whole beam. " When the lever ig freed from a notch in which it is lodged, a spring...tube we have mentioned, and to elevate it. The upper T's first meet the agate planes carrying the scale-pans and free them from the knife-edge. The lower... | |
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