In the inclinedmirror facing him which surmounted the sideboard, he saw the four lines which follow:-
2
An inclinedmirror hangs in my room.
3
By means of an inclinedmirror, light may be thrown down upon the sensitive surface through the opening.
4
A sloping or inclinedmirror is, as an invention, one of the inverse ratio of improvements; it is improving backwards .
5
In operation the rays of light coming from any given object, such as the arrow AB, strike the inclinedmirror and are reflected downward.
6
The direct solar rays entering through perforations of an appropriate shade, and reflected by the inclinedmirrors, act simultaneously on opposite sides of the bulb.