Letters on natural magic, addressed to Sir Walter Scott (1832)
Brewster, David, 1781-1868 · London : John Murray · leaf 357
VAPOUR CAVITIES IN MINERALS. 333 80°, as shewn in Fig. 76. The fluids are shaded, as in these two figures, when they are seen by light reflected from their surfaces. Fig. 76. … When the cavities are large, as in Fig 77, com- pared with the quantity of expansible fluid m np o, the heat converts the fluid into vapour, an effect Fig. 77. TV. fi which is shewn by the circular cavity V becoming larger and larger till it fills the whole space m n op. When any of these cavities,…
Scientific recreations · Magic
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
