File:The microscope - an introduction to microscopic methods and to histology (1911) (14761653641).jpg

Identifier: microscopeintrod11gage (find matches)
Title: The microscope : an introduction to microscopic methods and to histology
Year: 1911 (1910s)
Authors: Gage, Simon Henry, 1851-1944
Subjects: Microscopy Microscopes
Publisher: Ithaca, N.Y. : Comstock Pub. Co.
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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Text Appearing Before Image:
Fig. 19. Lens Holder with adjustments for focusing and for turning the lens inany direction. This is especially useftil in dissecting the minute parts of animalstoo large for the regular dissecting microscope (Fig. 20). (Bausch & Lomb Opt. Co.).
Text Appearing After Image:
Fig. 20. Dissecting Microscope with hand rests and nose-piece for several lenses ofdifferent power. (Bausch & Lomb Optical Co.). IO MICROSCOPE AND ACCESSORIES. \_CH. I. MECHANICAI, PARTS. §11. The Mechanical Parts of a laboratory, compound microscope are shown inthe frontispiece, and are described in the explanation of that figure. The studentshould study the figure with a microscope before him and become thoroughlyfamiliar with the names of all the parts. See also the cuts of microscopes at theend of Ch. II. OPTICAL PARTS. \ 12. Microscopic Objective.—Thisconsists of a converging lens or of oneor more con verging lens-systems, whichgive an enlarged, inverted, real image ofthe object (Figs. 14, 21). And as for theformation of real images in all cases,the object must be placed outside theprincipal focus, instead of within it, asfor the simple microscope. (See $# 9,49, Figs. 16, 21). Modern microscopic objectives usu-ally consist of two or more S3stems orcombinations of lenses, t

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