prismatic compass


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prismatic compass

[priz′mad·ik ′kəm·pəs]
(engineering)
A hand compass used by surveyors which is equipped with a prism that allows the compass to be read while the site is being taken.
References in periodicals archive ?
99), a prismatic compass with cover, minor and ruler; the 15TDCL Elite ($49.
We had a full day of instruction in the use of the rangefinder and prismatic compass, data forms to be completed, and learning the names of our 20 target animals in Zulu, as well as important phrases such as "Run
99), a prismatic compass with cover, mirror and ruler; the 15TDCL Elite ($49.