† circumferencern.
Obsolete.
= circumferentor n. 1.
ΘΚΠ
the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > for measuring angles
theodolite?a1560
topographical instrument?a1560
plain table1607
circumferentor1610
diopter1613
plane table1670
circumferencera1687
graphometer1696
semicircle1701
transit theodolite1824
dioptric1849
planchette1858
theodolite-goniometer1909
gyro-theodolite1950
a1687 W. Petty Polit. Anat. Ireland (1691) 113 The admeasurement of Land..made with a Circumferencer.
This entry has not yet been fully updated (first published 1889; most recently modified version published online December 2020).
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n.a1687