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A device that provides a flat surface on which to draw a map, chart, or plan of the terrain being surveyed, directly in the field.

A weight with a pointed tip on the bottom that is suspended from a string and used as a vertical reference line, or plumb line.

A surveying instrument used for distance measurements that typically consists of a sturdy metal or wooden staff with graduations used with leveling instruments.

Used with electronic distance measuring instruments, a reflective prism is set on a surveying rod and used to deflect a distance measuring laser beam back to its source.

An electronic/optical instrument used in modern surveying, combining a theodolite with an electronic distance meter (EDM) to read slope distances from the instrument to a particular point.

An optical leveling instrument that self-levels the line of sight and is used for establishing horizontal planes.

A ruler or rule equipped with a small telescope; used on a plane table for establishing sight lines to survey points.

A type of theodolite that includes the feature of being able to flip over ('transit the telescope') to allow for the measurement of reverse angles, ensuring precision.

A series of connected metal links, or a tape used to make linear measurements, typically for surveying land.

A telescopic instrument for the rapid measurement of distances, elevations, and bearings in topographical and cadastral surveying.

An instrument used for measuring angles of slope (or tilt), elevation, or depression of an object with respect to gravity.

A surveying optical instrument that measures the height differences by using a telescopic sight to target a leveling rod.

A precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes.

A simpler type of a level, used to transfer, measure, or set horizontal levels.