43.(Pg. [166]) By what organs is sensation produced, and how must these organs be affected?
44.(Pg. [166]) How will the idea of contact, apply to objects not touching the eye?
45.(Pg. [167]) Why do not objects appear reversed to the eye, as in the camera obscura?
CONVERSATION XV.
OPTICS—continued.
ON THE ANGLE OF VISION, AND THE REFLECTION OF MIRRORS.
ANGLE OF VISION. REFLECTION OF PLAIN MIRRORS. REFLECTION OF CONVEX MIRRORS. REFLECTION OF CONCAVE MIRRORS.
CAROLINE.
Well, Mrs. B., I am very impatient to hear what further proofs you have to offer, in support of your theory. You must allow, that it was rather provoking to dismiss us as you did at our last meeting.
Mrs. B. You press so hard upon me with your objections, that you must give me time to recruit my forces.