...station draw a line, on which lay the stationary distance ; and in like manner proceed through the whole. taken and performed ; if not, an error must have been committed in one of them : in such case, make a second protraction ; if this agrees with the former, and neither meet nor close, the fault...

...exactly on the point from which you began, the course also being right ; the field work and protractions are truly taken and performed ; if not, an error must...to be presumed the fault is in the field work ; a re-survey must then be taken. * A compass may be so constructed with two indexes, one moveable and...

...exactly on the point from which you began, the course alsa being right, the field work and protractions are truly taken and performed ; if not, an error must...this agrees with the former, it is to be presumed the fanlt is in the field work ; a re-survey must then be taken. * A compass may be so constructed with...

...course also beirtg right, the fiekl work and protractions are traly taken and performed ; if not, nn error must have been committed in one of them : in such cases, make a second protraction ; if this agreps with the former, it is to be presumed the fault is in the field work . a re-survey must then...

...station draw a line, on which lay the stationary distance ; and in like manner proceed through the whole. taken and performed ; if not, an error must have been committed in one of them i in such case, make a second protraction ; if this agrees with the former, and neither meet nor close,...

...than 180. In all protractions, if the end of the last station falls exactly in the point you begin at, the field work and protraction are truly taken and performed ; if not, an w error must have been committed in one of them. In such a case, make a second protraction : if this...