George P Merrill eBooks
eBooks di George P Merrill
Composition and Structure of Meteorites. E-book. Formato PDF
George P. Merrill
edizioni Forgotten Books collana , 2017
Frontispiece. George Perkins Merrill. Plate 1. External form of Allegan and Bath Furnace stones; and of Mazapil Iron. 2. (1) Carbon nodule in Canon Diablo meteoric iron; (2) Re-fused feld spar in Estherville meteoric stony iron. 3. (1) Maskelynite in Troup meteoric stone; (2) Merrillite in New Con cord meteoric stone....
Handbook and Descriptive Catalogue of the Meteorite Collections in the United States National Museum. E-book. Formato PDF
George P. Merrill
edizioni Forgotten Books collana , 2017
Aerolites or Stony Consisting essentially of silicate minerals with minor Meteorites. Amounts of the metallic alloys and sulphides. Consisting of an extremely variable network or sponge of metal, the interstices of which are occupied by the silicate mineral.
A Treatise on Rocks, Rock-Weathering and Soils. E-book. Formato PDF
George P. Merrill
edizioni Forgotten Books collana , 2017
To the one, these residues are essential to the life and well being of man through furnishing the soils from whence is derived directly and indirectly the food for life's sustenance to the other they are but transitory phases in the earth's his tory, representing the materials from which, through a process of fractional...
Stones: For Building and Decoration. E-book. Formato PDF
George P. Merrill
edizioni Forgotten Books collana , 2017
It was not, however, until the early part of the present cen tury that granite began to be used at all extensively in and about Boston, when the material was introduced in considera ble quantities by canal from Chelmsford, 30 miles distant. It was from Chelmsford stone that was constructed in 1810 the Boston court-house;...