Definition of Backsights. Meaning of Backsights. Synonyms of Backsights

Here you will find one or more explanations in English for the word Backsights. Also in the bottom left of the page several parts of wikipedia pages related to the word Backsights and, of course, Backsights synonyms and on the right images related to the word Backsights.

Definition of Backsights

Backsight
Backsight Back"sight`, n. [Back, adv. + sight. ] (Surv.) The reading of the leveling staff in its unchanged position when the leveling instrument has been taken to a new position; a sight directed backwards to a station previously occupied. Cf. Foresight, n., 3.

Meaning of Backsights from wikipedia

- two foresights and two backsights and makes sure the difference between the foresights and the difference between the backsights are equal, thereby reducing...
- April 1916. p. 3994. Swinton, Ernest (under the pseudonym "Lieutenant Backsight Forethought"), The Defence of Duffer's Drift, Oxford: United Service Magazine...
- either another known point or along an azimuth, which is to be held as a backsight — sighting with the reticle inside the eyepiece — then holding that line...
- Came down a Mountain at Rotten Tomatoes Englishman Who Went Up A Hill – Backsights Magazine (Surveyors Historical Society), originally published in Professional...
- An Elton's quadrant is a derivative of the Davis quadrant. It adds an index arm and artificial horizon to the instrument, and was invented by English sea...
- military tactics manual, framed as a series of six dreams by "Lieutenant Backsight Forethought" about the defence of a river crossing in the Boer War. BF...
- and the burial mounds that surround it were designed specifically as backsights for astronomical observations of the Moon. Graham Ritchie points out that...
- terminology of "foresight" and "backsight", although "lower" and "upper" would be more accurate physically. The fore and backsights were thin metal wires stretched...
- short 1904 book by the British Army officer Ernest Swinton. Lieutenant Backsight Forethought (BF) and his command of fifty men are given the task to defend...
- Mathematics of Levi ben Gershon, the Ralbag" David G. Krehbiel "Jacob's Staff", Backsights, Surveyor's Historical Society Stern, Dr. David. "The Cross Staff". Retrieved...