A Treatise on Surveying: Comprising the Theory and the Practice, Volum 1D. Appleton, 1897 |
Altres edicions - Mostra-ho tot
A Treatise on Surveying: Comprising the Theory and the Practice, Volum 1 William Mitchell Gillespie Visualització completa - 1901 |
A Treatise on Surveying: Comprising the Theory and the Practice, Volum 1 William Mitchell Gillespie Visualització completa - 1896 |
A Treatise on Surveying: Comprising the Theory and the Practice..., Volum 1 William Mitchell Gillespie Visualització completa - 1903 |
Frases i termes més freqüents
acres adjustment axis azimuth back-sight base-line bearing bisect bubble calculated celestial equator celestial horizon celestial sphere circle clamp compass complete quadrilateral cosec Cosine Cotang course cross-hairs declination declination-arc determined diagonals difference direction distance divided equal equatorial lines feet field field-notes figure given point ground harmonically height horizontal hypotenuse inch instrument intersection latitudes and departures length main socket marked meander corners measured method miles move needle notes object obtained offsets parallel passing perpendicular plane plat principal meridian quadrilateral radius reading rodman scale screws side similar triangles Sine solar solar compass south boundary square chains stake station straight line surface survey surveyor Tang tangent target telescope Theorem tion township transit triangle true meridian tube turn vernier vertical
Passatges populars
Pàgina 345 - An act providing for the sale of the lands of the United States in the territory northwest of the river Ohio, and above the mouth of the Kentucky river...
Pàgina 401 - Every circumference is regarded as being divided into 360 equal parts, called degrees. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 seconds. These divisions are indicated by the marks ° ' ". Thus 28 degrees, 17 minutes, and 49 seconds, are written 28° 17' 49" Fractions of a second are best expressed decimally.
Pàgina 311 - bearing trees," with the course and distance of the same from their respective corners; and the precise relative position of witness corners to the true corners. 3. The kind of materials of which corners are constructed.
Pàgina 401 - Every circumference of a. circle, whether the circle be large or small, is supposed to be divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.
Pàgina 301 - And in all cases where the exterior lines of the townships, thus to be subdivided into sections or half sections, shall exceed or shall not extend six miles, the excess or deficiency shall be specially noted, and added to or deducted from the western and northern ranges of sections or half sections in such township, according as the error may be in. running the lines from east to west, or from south to north.
Pàgina 313 - A sufficient number of other trees standing nearest to your line, on either side of it, are to be blazed on two sides, diagonally or quartering towards the line, in order to render the line conspicuous, and readily to be traced, the blazes to be opposite each other, coinciding in direction with the line where the trees stand very near it, and to approach nearer each other, the further the line passes from the blazed trees. Due care must ever be taken to have the lines so well marked as to be readily...
Pàgina 314 - ... is to be marked the appropriate number of the particular one of the four sections, respectively, which such side faces; also on one side thereof are to be marked the numbers of its township and range; and to make such marks yet more conspicuous, (in manner aforesaid), a streak of red chalk is to be applied. In...
Pàgina 402 - The versed-sine of an arc, AM, is the distance, AP, comprised between the origin of the arc and the foot of the sine. It is consequently equal to the difference between the radius and the sine. The Trigonometrical lines are usually written in an abbreviated form. Calling the arc AM =sa, we write, MP = sin.
Pàgina 317 - Besides the ordinary notes taken on line, (and which must always be written down on the spot, leaving nothing to be supplied by memory,) the deputy will subjoin, at the conclusion of his book, such further description or information touching any matter or thing connected with the township, (or other survey,) which he may be able to afford, and may deem useful or necessary to be known — with a general description of the township in the aggregate, as respects the face of the country, its soil and...