Helpful Hints
  • (1) You can search the entire content of Dean’s by phrase or by individual words. Just type your keywords into the search box and then pull down the search icon on the right and choose the option you need: search by word or by phrase or reset the content.
  • (2) Double click on a word in the content of a definition, and if the word is listed as a keyword in Dean’s, it will look that word up.
  • (3) You can use the search function to help jump the scrolling function. Simply type the first 2-3 letters into the search box then hit enter on your keyboard and the scroll will go to those Keywords that begin with those letters and allow you to scroll from there.

n. The act of collimating; the adjustment of the line of the sights, as the axial line of the telescope of an instrument, into its proper position relative to the other parts of the instrument. Error of collimation, the deviation of the line collimation of an astronomical instrument from the position it ought to have with respect to the axis of motion of the instrument.


 - Line of collimation, the axial line of the telescope of an astronomical or geodetic instrument, or the line which passes through the optical center of the object glass and the intersection of the cross wires at its focus.

Register or login to access full content



Professors
Professionals
Students