Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained — CONVERSATION XV. OPTICS—continued. ON THE ANGLE OF VISION, AND THE REFLECTION OF MIRRORS.

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Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained CONVERSATION XV. OPTICS—continued. ON THE ANGLE OF VISION, AND THE REFLECTION OF MIRRORS. · ch 19/34

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