Ad
related to: history of surveying instruments
Search results
Results From The WOW.Com Content Network
The main surveying instruments in use around the world are the theodolite, measuring tape, ... Surveying & Triangulation The History of Surveying And Survey Equipment;
The Public Land Survey System was mainly involved in overseeing the surveying of these vast new swaths of private lands along the ever-shifting frontier, while Federal Organizations such as the United States Coast and Geodetic Survey and the United States General Land Office, among several others, dealt with surveying all the lands deemed ...
A direct-readout theodolite, manufactured in the Soviet Union in 1958 and used for topographic surveying. A theodolite (/ θ i ˈ ɒ d ə ˌ l aɪ t /) [1] is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes.
Instruments used in surveying include: Alidade; Alidade table; Cosmolabe; Dioptra; Dumpy level; Engineer's chain; Geodimeter; Graphometer; Groma (surveying) Laser scanning; Level; Level staff; Measuring tape; Plane table; Pole (surveying) Prism (surveying) (corner cube retroreflector) Prismatic compass (angle measurement) Ramsden surveying ...
Exhibit in National Museum of American History, Washington, DC, US. The method of surveying a field or other parcel of land with Gunter's chain is to first determine corners and other significant locations, and then to measure the distance between them, taking two points at a time. The surveyor is assisted by a chainman.
The company's showroom and office building at 127 Fulton Street in the Financial District of Manhattan K&E manufacturing complex in Hoboken, New Jersey. The Keuffel and Esser Co., also known as K&E, was an American drafting instrument and supplies company founded in 1867 by German immigrants Wilhelm J. D. Keuffel and Hermann Esser.
In surveying, a gyrotheodolite (also: surveying gyro) is an instrument composed of a gyrocompass mounted to a theodolite. It is used to determine the orientation of true north . It is the main instrument for orientation in mine surveying [ 1 ] and in tunnel engineering, where astronomical star sights are not visible and GPS does not work.
The head of the tripod supports the instrument while the feet are spiked to anchor the tripod to the ground. A surveyor's tripod is a device used to support any one of a number of surveying instruments , such as theodolites , total stations , levels or transits.