The children trooped into the room.
As to you, Mr. Carruthers, I think that you have done what you could to make amends for your share in an evil plot.
What is requir’d of a Teleſcope is to give large, and diſtinct Viſion; that is, to make the Object (as in Galileo’s Teleſcope) or its Image (as in the Teleſcopes made up of Convex Lentes) appear under a great Angle, and to have all the Rays of thoſe Pencils that enter the Eye, meet in a point upon the Retina of the Eye, on their reſpective Axes. / The firſt Figure repreſents the Combination of two Convex Lentes for the Aſtronomical or inverting Teleſcope; where the above-mentioned Requiſites are obtain’d. A B is the Object ſuppos’d at a vaſt diſtance from the Ojective Lens L L, ſo that Rays coming from the extremity A of the Object will fall upon the Lens L L, in the ſame manner as if they were parallel to their Axis A X;
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