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CONTENTS OF VOL. III.

OPTIC.S.

Page

Conversation
1. Light: the Smallness and Velocity of its

Particles - - .
II. Rays of Light :-Reflection and Refraction
III. Refraction of Light .'

-
IV. Refraction and Reflection of Light - -

v. Different kinds of Lenses • - .
VI. Parallel, diverging, and converging Rays
VII. Images of Objects--Scioptric Ball, &c. .
VIII. Nature and Advantages of Light
IX. Colours . . . . . . .

X. Reflected Light and Plain Mirrors . .
XI. Concave Mirrors - - -
XII. Concave Mirrors Experiments
XIII. Concave and Convex Mirrors - -
XIV. Optical Deceptions, Anamorphoses, &c.

XV. Different parts of the Eye •
XVI. Manner of Vision - .
XVII. Spectacles, and their Uses

.
XVIII. Rainbow - -
XIX. Refracting Telescopes - ;.
XX. Reflecting Telescopes
XXI. Microscope - -
XXII. Camera Obscura, Magic Lantern, and Mul.

tiplying Glass - - - -

110

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