Use convex in a sentence - Example Sentences for convex
47) and consists of a plano-convex lens mounted above a biconvex lens.
Convex: Surface the segment of a circle, but very flatly convex (Fig.
[Pg 264] Pulvinate: Surface the segment of a circle, but decidedly convex (Fig.
Umbonate: Having a central convex nipple-like elevation (Fig.
Bullate: Like a blistered surface, rising in convex prominences, rather coarse.
-Surface elevation of colonies: a, Flat; b, raised; c, convex; d, pulvinate; e, capitate; f, umbilicate; g, conical; h, umbonate.
-Surface elevation of colonies: a, Flat; b, raised; c, convex; d, pulvinate; e, capitate; f, umbilicate; g, conical; h, umbonate.
Remove one of the oysters from the sterile glass dish and place it, resting on its convex shell, on the[Pg 465] towel.
The use of the term magnifying has led many into a misconception of the nature of the effect produced by convex lenses.
But if, as he continues to approach, he were to place before his eye a series of properly arranged convex lenses, he would see the object gradually and distinctly increase in apparent size by the mere continuance of the operation of approaching.
3, A B is a double convex lens, near which is a small arrow to represent the object under examination, and the cones drawn from its extremities are portions of the rays of light diverging from those points and falling upon the lens.
WOLLASTON’S DOUBLET, invented by the celebrated philosopher whose name it bears; it consists of two plano-convex lenses (Fig.
9; it consists of a double convex or crossed lens, having the radii of curvature as 1 to 6, and of a plane concave lens whose focal length is to that of the convex lens as 13 to 5.
“These two conditions then, that the flint lens shall be plano-concave, and that it shall be joined by some cement to the convex, seem desirable to be taken as a basis for the microscopic object-glass, provided they can be reconciled with the destruction of the spherical and chromatic aberrations of a large pencil.
“Now in every such glass that has been tried by me which has had its correcting lens of either Swiss or English glass, with a double convex of plate, and has been made achromatic by the form given to the outer curve of the convex, the proportion has been such between the refractive and dispersive powers of its lenses, that its figure has been correct for rays issuing from some point in its axis not far from its principal focus on its plane side, and either tending to a conjugate focus within the tube of a microscope, or emerging nearly parallel.
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The word convex
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