By John Stevens Henslow
John Stevens Henslow (1796-1861), a pupil of Adam Sedgwick, turned Professor of Mineralogy at Cambridge in 1822. He quickly moved to a chair in Botany, and have become a instructor and mentor to Charles Darwin. This publication on mineralogy used to be first released in 1823. It was once meant to save lots of time at school through supplying an simply available connection with the composition of varied minerals in keeping with the foundations of atomic thought, which was once then coming into the clinical mainstream. In that paradigm, research and exam of any mineral's composition concerned first ascertaining the mineral's common molecules, either 'essential' and 'accidental', and moment, settling on the proportions during which the basic constituents mixed to shape the integrant molecule of the mineral. Henslow's ebook will curiosity historians of technology tracing the improvement of atomic idea, and people operating extra greatly within the historical past of college schooling and the highbrow weather of the 19th century.
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Extra resources for A Syllabus of a Course of Lectures on Mineralogy
G. 046. (c) Retinasphalt. Coals. (a) Jet. (6) Cannel Coal—39 to 75 percent, of Carbon, with Bituminous oil and earth. iv. G. 2. (c) Common Coal—Black Coal. i. Carbon 56 . 8 + Asphalt and Maltha 43. iv. S. G. 2 to 1 . 3 . (d) Lignite—Brown Coal. APPENDIX Carbonic Acid. III. 10 A SYLLABUS OF GENUS III. Species I. BORON. Boracic Acid. Gmelin. Berz. Theory. Boron... 4 74. 6 25. 4+ in. Mamellated incrustations, iv. G. 48. GENUS IV. Species 1. 1 2 SILICIUM. Silica—Quartz. II. Prim. Obtuse rhomboid P.
785. 24 A SYLLABUS OF GENUS XI. COPPER. S. G. 87 and 9. Wire i inch supports 299 lbs,— Bronze — Bell-metal — Sheet-copper — 10844 Tons raised in Great Britain and Ireland in one year ending SO June 1822. Species 1. Native Copper. II. Prim. Cube or regular octohedron. in. —Capillary — dendritic — amorphous, iv. G. 5844, Species 2. —Red oxide of Copper—Ruby Copper. Klap. Chen. i. Copper... . 9 1 . Oxygen . . 9 . ii. in. iv, vi. Theory. 1 + 1 Prim, Regular octohedron. Crystals 100—capillary—amorphous.
Zinc Chen. Lamp. Gueniv, SO. 12. 41. 30. 1 31. 1. •• Ox. Iron Silica Loss 53. 5. 1. 5 100. 1 100. Or, 1. Copper 2. 1. 2. 1. 1. 1. 1. Sulp Iron Sulp Iron Sulp Zinc Sulp. &c. "! 41. "I 14. 5/ • • » • • «• * J O . 30. 15. 4 + 1. 7 ii. Prim. Regular tetrahedron. in. Crystals—concretionary—amorphous. iv. G. 3154. ix. Mode of extracting the copper—In Cornwall, (1817), 73727 tons of ore yielded 6425 tons of copper. LECTURES ON MINERALOGY. APPENDIX- (a) Grey Copper Ore—Fahlerz. Kjaproth Copper 41.
A Syllabus of a Course of Lectures on Mineralogy by John Stevens Henslow