 A side slit capable of adjustment admits when required a second beam of light from any object whose spectrum it is desired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small...  How to Work with the Spectroscope - Page 29by John Browning (F.R.A.S.) - 1882 - 54 pagesFull view - About this book
 | Jabez Hogg - 1867 - 1456 pages
...whose spectrum it is d'esired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small...field with that obtained from the object on the stage. A is a brass tube, carrying the compound direct vision prism. F, a milled head, with screw motion to... | |
 | Henry Enfield Roscoe - 1870 - 514 pages
...whose spectrum it is desired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small...field with that obtained from the object on the stage. a is a brass tube carrying the compound direct-vision prism. 6, a milled head, with screw motion to... | |
 | sir Henry Enfield Roscoe - 1869 - 396 pages
...whose spectrum it is desired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small...field with that obtained from the object on the stage. a is a brass tube carrying the compound direct-vision prism. N b, a milled head, with screw motion... | |
 | John Henry Pepper - 1869 - 722 pages
...whose spectrum it is desired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small...field with that obtained from the object on the stage A is a brass tube carrying the compound direct-vision prism. B is a milled head, with screw motion... | |
 | Henry Enfield Roscoe - 1873 - 542 pages
...whose spectrum it is desired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small...field with that obtained from the object on the stage. a is a brass tube carrying the compound direct-vision prism. b, a milled head, with screw motion to... | |
 | John Henry Pepper - 1877 - 764 pages
...whose spectrum it is desired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small...field with that obtained from the object on the stage A is a brass tube carrying the compound direct-vision prism. B is a milled head, with screw motion... | |
 | Every boy - 1881 - 932 pages
...desired to compare with that of the object placed on the stage of the microscope. This second beam of n light strikes against a very small prism suitably...field with that obtained from the object on the stage. A, the brass tube carrying the compound direct-vision prism, has a sliding arrangement for roughly... | |
 | Jabez Hogg - 1886 - 816 pages
...whose spectrum it is desired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small...the same field with that obtained from the object on tht stage. A is a brass tube, carrying the compound direct vision prism, p, a milled head, with screw... | |
 | Robert Routledge - 1893 - 732 pages
...whose spectrum it is desired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small...spectrum in the same field with that obtained from :he object on the stage. A is a brass tube carrying the compound directvision prism, and has a sliding... | |
 | Robert Routledge - 1896 - 780 pages
...whose spectrum it is desired to compare with that of the object placed on the stage of tho microscope. This second beam of light strikes against a very small...field with that obtained from the object on the stage. A is a brass tube carrying the compound directvision prism, and has a sliding arrangement for roughly... | |
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