The Bell System technical journal. A tagn ififd Virfua/L^ Fig. 1—Optical Diagram of the Compound Microscope
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The Bell System technical journal. A tagn ififd Virfua/L^ Fig. 1—Optical Diagram of the Compound Microscope
The Bell System technical journal. A tagn ififd Virfua/L^ Fig. 1—Optical Diagram of the Compound Microscope. solution f)f definite engineering problems relating to telephone ap-paratus it is necessary, howeer, to consider more in detail the equip-ment used. The optical system of the compound microscope is shown diagrani-matiralh- in Kig. 1, and in Figs. 2 and 3 arc pictured two modernre]iresentatie research t>pe microscopes. In the diagram threeparallel pencils of light are shown reflected upward into the condenserwhich b- ])roper focusing is caused to illuminate a transparent object(. The Bell System technical journal. A tagn ififd Virfua/L^ Fig. 1—Optical Diagram of the Compound Microscope. solution f)f definite engineering problems relating to telephone ap-paratus it is necessary, howeer, to consider more in detail the equip-ment used. The optical system of the compound microscope is shown diagrani-matiralh- in Kig. 1, and in Figs. 2 and 3 arc pictured two modernre]iresentatie research t>pe microscopes. In the diagram threeparallel pencils of light are shown reflected upward into the condenserwhich b- ])roper focusing is caused to illuminate a transparent object(suitably prepared and mounted as described later) placed in |)osi-tion on the microscope stage. As shown the objective would form IlfOTOMlCROCR.iriiy.1X1) TECHNICAL MICROSCOPY 10.1.III iiuiTltd rial iiiia^f of tlir nlijiTl Oi at Oj luit tin.- rays art iiilt-r-i-fptcd by the lower lens of the eyepiece hefori the real image isfortiied. The lower e>epiece lens in coinl)iiiatio!i with the upper. Kig. 2—Researih x- i.l microsco()c by Zeiss. Large barrel forphoto- micrography; revolvingmechanical stage, and sliding ol)-jective changers
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Bookcentury1900 Bookdecade1920
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