Evenings at the microscope : or, Researches among the minuter organs and forms of animal life (1884)
Gosse, Philip Henry, 1810-1888 · London : Society for Promoting Christian Knowledge · leaf 15
own head. Icut oft about half-an-inch of its length, and,laying it between two plates of glass, put itupon the stage of the microscope. I nowapply a power of 600 diameters ; that is, theapparent increase of thickness is the same asif six hundred of these hairs were placed sideby side. Now, with… … HVMAN HAIR. HAIRS, FEATHERS, AND SCALPS. 6 lines drawn parallel to each other, exactly like those onan ivory rule or scale, with every fifth line longer than therest, and every tenth longer still. This is the micrometer,or scale by which we measure objects; and the differencein the length of the…
Zoology · Microscopy
Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.
