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Angle gauge information


Proper use of angle gauge to count in trees
Angle gauge indicating a tree to measure for a basal area factor of 10

An angle gauge is a tool used by foresters to determine which trees to measure when using a variable radius plot design in forest inventory. Using this tool a forester can quickly measure the trees that are in or out of the plot. An angle gauge is similar to a wedge prism though it must be held a fixed distance from the eye to work properly. Unlike the wedge prism, which is held over the plot center, the surveyor's eye is kept over plot-center when using an angle gauge.

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Angle gauge

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An angle gauge is a tool used by foresters to determine which trees to measure when using a variable radius plot design in forest inventory. Using this...

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Gauge theory

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In physics, a gauge theory is a type of field theory in which the Lagrangian, and hence the dynamics of the system itself, do not change under local transformations...

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Sliding T bevel

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sliding T bevel, also known as a bevel gauge or false square is an adjustable gauge for setting and transferring angles. Different from the square, which is...

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Wedge prism

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another. The wedge prism is primarily used in a similar manner as an angle gauge in variable-radius plot sampling. In this type of sampling, the wedge...

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Center gauge

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Center gauges and fishtail gauges are gauges used in lathe work for checking the angles when grinding the profiles of single-point screw-cutting tool bits...

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Rain gauge

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A rain gauge (also known as udometer, pluviometer, ombrometer, and hyetometer) is an instrument used by meteorologists and hydrologists to gather and...

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Thread pitch gauge

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A thread gauge, also known as a screw gauge or pitch gauge, is used to measure the pitch or lead of a screw thread. Thread pitch gauges are used as a reference...

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Introduction to gauge theory

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A gauge theory is a type of theory in physics. The word gauge means a measurement, a thickness, an in-between distance (as in railroad tracks), or a resulting...

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Miter gauge

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A miter gauge is a device used for holding workpieces at a set angle while being cut on table saws, band saws or sanded on stationary disk sanders. The...

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Sine bar

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known distance, usually using gauge blocks, then the top edge of the bar will be tilted by the same amount forming an angle that may be calculated by the...

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Gardon gauge

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degrees angle of incidence, 90 degrees zenith angle), and 0.5 at 60 degrees angle of incidence. It follows from the definition that a Gardon gauge should...

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5 ft 6 in gauge railway

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called "Indian gauge", Provincial, Portland, or "Texas gauge". In Argentina and Chile, it is known as "trocha ancha" (Spanish for "broad gauge"). In the Indian...

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Borderline tree

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tree cannot be easily determined as in or out when using a prism or angle gauge. Borderline trees occur only when the distance from the sampling point...

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Bore gauge

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portions of the gauge (the smaller diameter rods found at the T head of the gauge). To use, the gauge is inserted at a slight angle to the bore and gently...

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List of inventors

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on a rotating disc, screw mechanism for changing the artillery fire angle, gauge–boring lathe for cannon-making, early telescopic sight James Nasmyth...

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Gauge block

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Gauge blocks (also known as gage blocks, Johansson gauges, slip gauges, or Jo blocks) are a system for producing precision lengths. The individual gauge...

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Relascope

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depending on desired basal area factor. The Relascope is very similar to the angle gauge and the wedge prism in that it can be used to find the basal area of...

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Sheet metal

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as its gauge. The larger the gauge number, the thinner the metal. Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge. Gauge differs...

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Forestry

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(dibble bar) Tree shelter (Tuley tube) Tree spade Mensuration 3D scanner Angle gauge Biltmore stick Chain Cruising rod Diameter tape Hemispherical photography...

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Ruler

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A ruler, sometimes called a rule, scale or a line gauge, is an instrument used to make length measurements, whereby a user estimates a length by reading...

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Resaw

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A typical mill sized resaw blade is eight inches wide and made with 16 gauge steel. Resaw blades can be identified by their straight back, as opposed...

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List of measuring instruments

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mass-values see: Orders of magnitude (mass) Ballistic pendulum Force gauge Spring scale Strain gauge Torsion balance Tribometer Anemometer (measures wind speed)...

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Electroweak interaction

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field theory Standard Model (mathematical formulation) Unitarity gauge Weinberg angle Yang–Mills theory The particular number 246 GeV is taken to be the...

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Weinberg angle

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L.F. (2006). Gauge Theory of Elementary Particle Physics. Oxford University Press. pp. 349–355. ISBN 0-19-851961-3. "Weak mixing angle". The NIST reference...

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Press brake

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distance between the frame uprights or side housings, distance to the back gauge, and work height. The upper beam usually operates at a speed ranging from...

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Stream gauge

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A stream gauge, streamgage or stream gauging station is a location used by hydrologists or environmental scientists to monitor and test terrestrial bodies...

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Theta vacuum

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vacuum state of non-abelian Yang–Mills theories specified by the vacuum angle θ that arises when the state is written as a superposition of an infinite...

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Slip angle

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In vehicle dynamics, slip angle or sideslip angle is the angle between the direction in which a wheel is pointing and the direction in which it is actually...

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Forest inventory

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depending on their size and location relevant to the plot center. Usually an angle gauge, wedge prism, Tunagmetor, or Relascope are used to gather data for this...

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