Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 277
Tube-Cells, Eound and Quadrangular. method, but oval, square-shaped, or oblong ceUs (c, d) arenow made, of the forms and sizes that he is most Hkely towant, by flattening the round glass-tube whilst hot, or byblowing it within a mould.—The facility with which suchcells may be made, and the secuiity… … BuUt-up Cells. very unusual size or shape (a) may be required, or where itis necessary that not merely the top and bottom, but also thesides of the object, should be clearly seen (b). The perfectconstruction of these requires a nicety of Avorkmanship whichfew amateurs possess, and the expenditure…
Microscopy
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