... of the main plate of the spectroscope, which is slotted to allow it to pass through. On moving the central pivot the whole of the prisms are moved, each to a different amount in proportion to its distance in the train from the first or fixed prism,... How to work with the spectroscope - Page 14by John Browning (F.R.A.S.) - 1878 - 66 pagesFull view - About this book
| 1870 - 268 pages
...prisms are brought into a circle. This central pivot is attached to a dovetailed piece of two or three inches in length, placed on the under side of the...stationary, and the second prism to have been moved through i° by this arrangement ; then the third prism will have been moved through 2°, the fourth through... | |
| James Samuelson, William Crookes - 1871 - 616 pages
...central pivot is attached to a dovetail piece of two or three inches in length, placed on the under-side of the main plate of the spectroscope ; which is slotted...collimator, c. Thus, supposing the first prism of the train opposite c, represented in the diagram, to be stationary, and the second prism to have been moved through... | |
| 1871 - 598 pages
...through. On moving the central pivot, the whole of the prisms are moved, each to a different amoiint in proportion to its distance in the train from the...collimator, c. Thus, supposing the first prism of the train opposite c, represented in the diagram, to be stationary, and the second prism to have been moved through... | |
| British Association for the Advancement of Science - 1871 - 720 pages
...prisms are шо"'each to a different amount, in proportion to its distance in the train from ih< c"; or fixed prism, on which the light from the slit falls after passing through the wllimator C. Thus, supposing * the first prism of the train from C, represent*! in ^ diagram, to be... | |
| 1871 - 640 pages
...central pivot is attached to a dovetail piece of two or three inches in length. placed on the under-side of the main plate of the spectroscope ; which is slotted...collimator, c. Thus, supposing the first prism of the train opposite c, represented in the diagram, to be stationary, and the second prism to have been moved through... | |
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