About 335 results
|Oval target divided by a horizontal and a vertical line into four compartments |
painted alternately white and black; its center is cut open and carries a vernier
used for readings of short rods. Such a target is called a quadrant target. The fig.
|Pierre Vernier. i tz Quadrant nome au de Math. ctes, comme fur la grande |
reiglede Pthplomé, , fur le quarré Geométrique , & autres Instruments fabriques
de lignes droittes , pour les rayions auant dittes. Que si ce petit trai-> cté est bien
|... plan, which was that the unit of length would be equal to the ten millionth part |
of the quadrant of the meridian of the earth. ... together with a vernier on the
copper sleeve, made the device in effect a thermometer, indicating the
temperature at ...
|... on the fundus periphery by Rutnin9 give mean values and do not take into |
account that the temporal quadrant is more developed than the nasal one, nor do
they consider the refractive state of the eye. ... to which a vernier was attached.
|OCTANT, s. m. Hadley's quadrant, Octant. Instrument à réflexion dont l'arc est la |
huitième partie de la circonférence du cercle, ... CERCLE A RÉFLEXION et
VERNIER. OEIL, s. m. Eye, Hole, Gap, Stit. En général, c'est une sorte de trou ,
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