... for this purpose, are discussed, particu- larlv the collimation error. It is then concluded that the observations 716 ...

... room.) : Clock. Kessels. Used with the Transit Circle. : Collimation Error, how determined. See Transit, Introductions. See Transit Circle, ...

... distinct vision of the point examined, and its collimation error eliminated if necessary by reversing the telescope. A ...

... Lond.; 1909, iij 98.5.—Hastings (C. S.) The error of collimation in the human eye. Am. J. Sc, N. Haven, 1905, 4. s., xix, 310-314. -----. On a group of visual phenomena depending upon optical errors of the human eye. Ibid., 401-412. — Hau- ...

... the telescope for error of collima- tion.—The error of collimation is that due to the non-coincidence of the point of intersection of the cross-wires with the optic axis of the lenses. The error is detected by rotating the telescope in its ...

... and amount of flexure by comparisons of the error of collimation deduced from re- versing the telescope on a ...

... that he will use reasonably good equipment (proper collimation, film intensifier, ... than rely on trial and error—and that he will use the best current ...

... it is more commonly called, the line of collimation, kc Now when the stars or planets are ... is generally situated so that the line of collimation ofthe telescope may move in the plane ofthe ...

... must be moved one-half the quantity of error, by turning the little screws near ... to the Line of Collimation.— Move the telescope till it lies in the ...

... microscopes, and whose proportions made the axis of collimation of each, equidistant from the anterior edge of ...