Framed Prints
Framed Print of 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. © Reading Room 2020
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Media ID 39573514
Bookcentury1900 Bookdecade1920 Bookyear1
Modern Frame 14"x12" (36x31cm)
Ready to Hang Contemporary Framed Prints adds style, protection, and a polished touch to your space - effortlessly.
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Wood effect frame, card mounted, 10x8 fade resistant photo print. Overall outside dimensions 14x12 inches (36x31cm). Environmentally and ozone friendly, 40mm wide x 15mm Polycore® moulding has the look of real wood, is durable and light and easy to hang. Biodegradable and made with non-chlorinated gases (no toxic fumes) it is efficient; producing 100 tons of polystyrene can save 300 tons of trees! Prints are glazed with lightweight, shatterproof, optical clarity acrylic (providing the same general protection from the environment as glass). The back is stapled hardboard with a sawtooth hanger attached. Note: measurements provided are estimated outer dimensions, which include both the image and the frame. While we aim to keep sizing consistent, exact dimensions may vary slightly due to differences in print size or production requirements, which may result in a variation in the overall size (up to approximately 2.5cm (1"))
These are individually made so all sizes are approximate
Estimated Image Size (if not cropped) is 12cm x 24.4cm (4.7" x 9.6")
Estimated Product Size is 31cm x 36cm (12.2" x 14.2")
