Arc and glow lamps. A practical hand-book on electric lighting: By Julius Maier, Ph. D., Associate of the Society of Telegraph Engineers and electricians. New York: D. Van Nostrand
✍ Scribed by M.B.S.
- Publisher
- Elsevier Science
- Year
- 1886
- Tongue
- English
- Weight
- 122 KB
- Volume
- 122
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
✦ Synopsis
Book Notices. 469 a thorough knowledge of the elementary portion of the subject with a brief account of the principal rocks and a ready method for their determination." To do this, it combines, to a large extent, the definitions as given in Lawrence's Co/ta (" Rocks Classified and Described"), with the tabular method of mineral description in Frazer's 14/eisbach (" Tables for the l)etermination of Minerals"), except that here the columns and the descriptions are independent. The little work is divided into a first part, consisting of a chapter on " Lithology," and one on " Mineralogy ;" a second part, with a chapter on " Definitions," etc. ; another on " Primary Rocks," considered as acid vitreous, basic vitreous, acid crystalline, intermediate crystalline and basic crystalline; a third chapter on " Sedimentary Rocks " of (I) the sedimentary and (2) the fragmental class; a fourth chapter on