Inside Out Library · Explore

A popular treatise on gems, in reference to their scientific value; a guide for the teacher of natural sciences, the jeweller, and amateur: together with a description of the elements of mineralogy, and all ornamental and architectural materials .. (1859)

Feuchtwanger, Lewis. [from old catalog] · New York, D. Appleton & company · leaf 98

An illustration from A popular treatise on gems, in reference to their scientific value; a guide for the teacher of natural sciences, the jeweller, and amateur: together with a description of the elements of mineralogy, and all ornamental and architectural materials .., 1859, leaf 98
bly refracted and has its polarizationchanged, and consequently can be again reflected from thesecond mirror ?n, and in each revolution of c will show fourmaxima and four minima ofintensity. If, on the contrary,the mineral is monoaxial, theray will pass through the lami-na unaltered, and will not… … iinH iliSiili Fig. 97.

Precious stones · Building stones · Mineralogy

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

More pictures from A popular treatise on gems, in reference to their scientific value; a guide for the teacher of natural sciences, the jeweller, and amateur: together with a description of the elements of mineralogy, and all ornamental and architectural materials ..

More like this