The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 158
meets that of the next lens. Thesetwo eye glasses, E F and C D, are introduced for the purpose of col-lecting the rays proceeding from the inverted image M N into anew upright image, between G H and E F, and the fmas;e is thenseen through the last eye glass G H uuder the angle of vision, P O… … rors are placed at a little more than the sum of their focal distancefrom each other. The parallel rays r r, coming from a distant ob-ject, are reflected to a focus g by the concave mirror, A B, and thusform an inverted image at g; the diverging rays proceeding fromthis image are again reflected by…
Physics
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