Inside Out Library · Explore

A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures (1848)

Quekett, John, 1815-1861 · London, H. Bailliere · leaf 86

An illustration from A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures, 1848, leaf 86 — a ring to it a a,which is rather less in diame-ter than the spring, and isthree-eighths of an inch indepth; it has a shoulder orrim at one end, and also two steel pins, c c, screwed in nearthe top edge, exactly opposite each other; these pins arereceived by two holes made in the semicircular… … Fig. 30. of the arm and cell, just one-half its real size, that in whateverposition the arm is placed, the cell carrying the lens will bealways horizontal:—a exhibits the piece of brass which formsthe connection between the two parts of the arm, it has asocket at one end, in which the ball b works;…

Microscopy

Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.

More pictures from A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures

More like this