Measuring diameter with the Wheeler Pentaprism
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The Pentaprism is a moderately expensive instrument used for measuring the diameter of the stem at heights normally above reach from the ground.
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Document URL
http://online.anu.edu.au/Forestry/mensuration/PENTAPRI.HTM
Editor
Cris Brack ©
Last Modified Date
Fri, 9 Feb 1996
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