Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 110
the vertical pillar), which acts on the carriage of the body ;and as this carriage slides between dove-tailed grooves, the adjust-ment is made with entire freedom from twist. The Microscope isfurnished with two eye-pieces, of which the lower is preferable forobjects requiring good definition;… … Parkess Educational Microscope.usually supplied are a separating combination of 2 inch and 1 inch, <36 CONSTRUCTION OF THE MICROSCOPE. which, by the use o£ the two eye-pieces and the draw-tube, gives arange of magnifying power from 15 to 110 diameters ; and a l-4thinch of 7 0° aperture, from…
Microscopy · Biology
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