Abbe jean baptiste paramelle (2 risultati)

Soft cover. Condizione: New. xvii, 127 pages : illustrations, maps ; 28 cm. Contents: Hills -- Depressions on the earth's surface -- Internal structure of the earth -- Unstratified rocks -- Stratified rocks -- Examination of high places -- Examination of hillslopes -- Examination of lowlands -- Examination of flowing water bodies -- Meaning of the word "spring" -- Erroneous opinions on the origin of springs -- Responses to erroneous opinions on the origin of springs -- The true origin of springs -- How springs form -- Underground pathways that groundwater follows -- Where to dig for water -- How to determine the depth of an underground watercourse -- How to determine the volume of an underground watercourse -- Rock types favorable for the discovery of underground watercourses -- Rock types unfavorable for the discovery of underground watercourses -- Volcanic rocks that are unlikely to contain underground watercourses -- Friable rocks where underground watercourses are not likely to be found -- Rock types that lack water because of their structure or lack of cohesion -- Mineral, thermal, and periodic springs -- Potable and non-potable springs -- Methods for clarifying turbid underground watercourses -- How to exploit underground watercourses -- Underground watercourses that appear late or not at all -- Ways to compensate for lack of groundwater -- Origin and development of this theory -- Underground watercourses found on the basis of this theory -- Ancient and modern methods of finding underground watercourses. …

8vo, 20.8cm. Pp. [4],xx,428, notes & refs., subject index. Contemporary quarter morocco, gilt lettering and decoration on backstrip and initials "R. de C.", marbled boadrs. Small waterstain in inner margin of first three leaves, near fine otherwise.