 A is a box blackened on the inside, having its horizontal section in the form of a trapezium, and resting on three feet ; the two inclined sides of the box, which are placed at an angle of about 58° from each other, carry the two small telescopes B and...  Transactions of the Royal Scottish Society of Arts - Page 5by Royal Scottish Society of Arts - 1864Full view - About this book
 | 1860 - 498 pages
...of the box, which are placed at an angle of about 58° from each other, carry two small telescopes. The eye-piece of the first telescope is removed, and...inserted a plate, in which a slit made by two brass knife-edges, is so arranged that it coincides with the focus of the object-glass. The gas-lamp stands... | |
 | Jabez Hogg - Physics - 1861 - 594 pages
...placed Kg. 284. at an angle of about 58° from each other, carry the two small telescopes n and c. The eye-piece of the first telescope is removed, and...inserted a plate, in which a slit made by two brass knife-edges is so arranged that it coincides with the focus of the object-glass. The gas-lamp D stands... | |
 | Pharmacy - 1861 - 656 pages
...the box, •which are placed at an angle of about 58° from each other, carry two small telescopes. The eye-piece of the first telescope is removed, and in its place is inserted a brass plate bearing a vertical slit. Л Bunsen's gas burner stands before this slit. The salt to be... | |
 | 1862 - 658 pages
...are placed at an angle of about fifty-eight degrees from each qther, carry each a small telescope. The eye-piece of the first telescope is removed, and...knife edges is so arranged that it coincides with the focns of the object-glass. A lamp, giving a colourless gas-flame, stands before the slit in a position... | |
 | Industrial arts - 1862 - 446 pages
...which are placed at an angle of about 58° from each other, carry the two small telescopes B and C. The eye-piece of the first telescope is removed, and...inserted a plate, in which a slit made by two brass knife-edges is so arranged that it coincides with the focus of the object-glass. The gas lamp D stands... | |
 | Industrial arts - 1862 - 448 pages
...which are placed at an angle of about 58° from each other, carry the two small telescopes B and C. The eye-piece of the first telescope is removed, and...inserted a plate, in which a slit made by two brass knife-edges is so arranged that it coincides with the focus of the object-glass. The gas lamp D stands... | |
 | 1862 - 476 pages
...which are placed at an angle of about 58° from each other, carry the two small telescopes B and C. The eye-piece of the first telescope is removed, and...inserted a plate, in which a slit made by two brass knife-edges is so arranged that it coincides with the focus of the object-glass. The gas lamp D stands... | |
 | 1862 - 542 pages
...aie placed at an angle of abont fifty-eight degrees from each other, carry each a small telescope. The eye-piece of the first telescope is removed, and...so arranged that it coincides with the focus of the object-glass. A lamp, giving a colourless gas-flame, stands before the slit in a position such that... | |
 | Industrial arts - 1865 - 458 pages
...are placed at an angle of about 58° from each other, carry the two small telescopes В and C. Tho eye-piece of the first telescope is removed, and in...inserted a plate, in which a slit made by two brass knife-edges is so arranged that it coincides with the focus of the object-glass. The gas lamp D stands... | |
 | Pharmacology - 1861 - 606 pages
...which are placed at an angle of about 58° from each other, carry the two small telescopes B and C. The eye-piece of the first telescope is removed, and...inserted a plate, in which a slit made by two brass knifeedges is so arranged that it coincides with the focus of the object-glass. The gas-lamp D stands... | |
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