The botanist's companion; or, Directions for the use of the microscope (1860)
Balfour, John Hutton, 1808-1884. [from old catalog] · Edinburgh, A. and C. Black · leaf 16
selenite, which, if laid under many animal and vegetablestructures while being examined by polarized light, will cause them toassume beautiful colours. Nachet has invented a binocular microscope bywhich the objects are seen in relief. Very good students instruments are made by Smith and Beck… … rig. 11. of the instrument. The body consists of a telescope tube eight inchesin length, held by a split tube three inches long. It may be elevated or Fig. 11. Oberliausers portable students microscope. 10 COMPOUND MICKOSCOPE. depressed by the hand by a cork-screw movement, and this constitutes
Botany · Microscopy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
