The microscope; an introduction to microscopic methods and to histology (1899)
Gage, Simon Henry, 1851-1944 · Ithaca, N. Y., Comstock publishing company · leaf 86
Fig. 67. Arauss Method of Mark-ing Objectives on a Revolving NostPiece. As seen in the figure\ the equiva-lent focus of the objective is engra;,,/>u the diaphragm above the back lensand may be very readily seen in ro-tating the nose-piece. This is of greatadvantage and facilitates the chang-ing… … Figs. 68-69. The Tolles-Mayall Mechanical Stage {\ 116). Hath these mechanical stages have the great advantage of large movement in bothdirections, so that a series may be studied with great certainty and facility. Both hathscales and verniers, so that the position of any particular feature of a…
Microscopy -- Technique
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