 | Jabez Hogg - 1867 - 1456 pages
...vertically. Another screw at right angles to c, but which from. its position could not be shown in the cut, regulates the slit horizontally. This screw has a larger head, and when once recognised cannot be. mistaken for the other. DD is an apparatus for holding a small tube, that the... | |
 | Henry Enfield Roscoe - 1870 - 514 pages
...vertically. Another screw at right angles to c, and which from its position could not be shown in the cut, regulates the slit horizontally. This screw has a larger head, and when once recognised cannot be mistaken for the other. dd, an apparatus for holding a small tube, in order that... | |
 | sir Henry Enfield Roscoe - 1869 - 396 pages
...vertically. Another screw at right angles to c, and which from its position could not be shown in the cut, regulates the slit horizontally. This screw has a larger head, and when once recognised cannot be mistaken for the other. <Id, an apparatus for holding a small tube, in order that... | |
 | Henry E. Roscoe - 1869 - 372 pages
...vertically. Another screw at right angles to c, and which from its position could not be shown in the cut, regulates the slit horizontally. This screw has a larger head, and when once recognised cannot be mistaken for the other. dd, an apparatus for holding a small tube, in order that... | |
 | Henry Enfield Roscoe - 1873 - 542 pages
...vertically. Another screw at right angles to c, and which from its position could not be shown in the cut, regulates the slit horizontally. This screw has a...mistaken for the other. dd, an apparatus for holding a small tube, in order that the spectrum given by its contents may be compared with that from any other... | |
 | sir Henry Enfield Roscoe - 1873 - 550 pages
...vertically. Another screw at right angles to c, and which from its position could not be shown in the cut, regulates the slit horizontally. This screw has a...mistaken for the other. dd, an apparatus for holding a small tube, in order that the spectrum given by its contents may be compared with that from any other... | |
 | Every boy - 1881 - 932 pages
...eye-lens. c, milled head, with screw motion to open or shut the slit vertically. Another screw, u, at right angles to c, regulates the slit horizontally. This screw has a larger head, and, when once recognised, cannot be mistaken for the other. DD, an apparatus for holding small tube, that the spectrum... | |
 | Robert Routledge - 1893 - 732 pages
...has a sliding arrangement for roughly focussing. FIG. 224.—The Sorby-Browning Micro-Spectroscope. B, a milled head, with screw motion to finally adjust...mistaken for the other. DD, an apparatus for holding a small tube, that the spectrum given by its contents may be compared with that from any other object... | |
 | Robert Routledge - 1903 - 882 pages
...Sorby-Browning Micro-Spectroscope. B, a milled head, with screw motion to finally adjust the focus of tht achromatic eye-lens. C, milled head, with screw motion...mistaken for the other. DD, an apparatus for holding a small tube, that the spectrum given by its contents may be compared with that from any other object... | |
 | Isaac Ott - 1904 - 680 pages
...adjust finally the focus of the achromatic eyelens. C, milled heady with screw motion to open and shut slit vertically. Another screw, H, at right angles...once recognized cannot be mistaken for the other. D, D, an apparatus for holding a small tube, that the spectrum given by its contents may be compared... | |
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DD, an apparatus for holding a small tube, that the spectrum given by its contents may be compared with that from any other object on the stage. 
