. The railroad and engineering journal . and set the telescope on it. Reverse the telescope, and weare ready to commence the curve. The stakes are to be put in every station. Turn offthe angle 0 B c equal to | the angle of the curve, i Dand line in the point c one station from B. This angle T represents the point of tangent. In order to passfrom the curve to the tangent, set the transit at T, sightback on e, reverse the telescope, and then turn off the angleT equal to D, and it will give the direction of the newtangent. In running in the curve the angles m c d,n d e. Vol. LXII, No. 5.] ENGIN

. The railroad and engineering journal . and set the telescope on it. Reverse the telescope, and weare ready to commence the curve. The stakes are to be put in every station. Turn offthe angle 0 B c equal to | the angle of the curve, i Dand line in the point c one station from B. This angle T represents the point of tangent. In order to passfrom the curve to the tangent, set the transit at T, sightback on e, reverse the telescope, and then turn off the angleT equal to  D, and it will give the direction of the newtangent. In running in the curve the angles m c d,n d e. Vol. LXII, No. 5.] ENGIN Stock Photo
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Contributor:

Reading Room 2020 / Alamy Stock Photo

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2CRHR5W

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7.1 MB (187.5 KB Compressed download)

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1950 x 1281 px | 33 x 21.7 cm | 13 x 8.5 inches | 150dpi

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This image could have imperfections as it’s either historical or reportage.

. The railroad and engineering journal . and set the telescope on it. Reverse the telescope, and weare ready to commence the curve. The stakes are to be put in every station. Turn offthe angle 0 B c equal to | the angle of the curve, i Dand line in the point c one station from B. This angle T represents the point of tangent. In order to passfrom the curve to the tangent, set the transit at T, sightback on e, reverse the telescope, and then turn off the angleT equal to D, and it will give the direction of the newtangent. In running in the curve the angles m c d, n d e. Vol. LXII, No. 5.] ENGINEERING JOURNAL. 205 etc., are called deflection angles, and are all equal to D.This method is called running in a curve by means of deflection angles, and is used to a less extent than thefollowing from the fact that, the transit having to be movedeach station, much time is lost. The second method for running in curves, and the oneused whenever possible, is by means of tangential angles, and is as follows, Plate XLl, fig. 3. Let A B be a

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