The botanist's companion; or, Directions for the use of the microscope (1860)
Balfour, John Hutton, 1808-1884. [from old catalog] · Edinburgh, A. and C. Black · leaf 52
stead of boards, frames made of crossed bars withspaces between them; the surface applied to the paper being flat,—the BOTANICAL PRESS. 45 others being ribbed by means of prominent cross bars, so as to leave aventilating space between the one frame and the other (figs. 25 and 26).By an apparatus… … strapped, is suspended in a draft of air coming through a partially closedwindow, or on the branch of a tree in sunshine; and it is said that desicca-tion of the plants and paper is accomphshed in four days. By the use ofartificial heat in an open and airy place, as, for instance, by being…
Botany · Microscopy
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