Book, Aphorism

 1        1, XI    |        and most of all in burning glasses and mirrors.~3. Fiery meteors.~
 2        1, XII   |          best constructed burning glasses, the rays of the moon can
 3        1, XII   |     recourse must be had to those glasses which indicate the state
 4        1, XIII  |           strengthened by burning glasses or mirrors. It is, however,
 5        1, XIII  |        trial be made with burning glasses, which (as I remember) act
 6        1, XIII  |          is best seen in calendar glasses [air thermoscopes], which
 7        1, XVIII |       dilation of air in calendar glasses and the like, wherein the
 8        1, XXV   |        that of children's looking glasses, which little boys make
 9        1, XXXIX |           those recently invented glasses which disclose the latent
10        1, XXXIX |       pencil is seen through such glasses to be very uneven and crooked,
11        1, XXXIX |          be detected without such glasses. And here (as is usual in
12        1, XXXIX |        has been added, viz., that glasses of this sort do honor to
13        1, XXXIX |      incompetency however of such glasses, except for minutiae alone,
14        1, XXXIX |       second kind are those other glasses discovered by the memorable
15        1, XXXIX |          to be seen without these glasses. With this instrument we
16        1, XLVIII|        pump; the flesh by cupping glasses; or when water stops without
17        1, L     |     similar experiment of cupping glasses which when heated over flame
18        1, L     | physicians, to make their cupping glasses draw better, lay on them
19        1, L     |  refracted, and united in burning glasses and mirrors; the heat of