Zur Wertzollfrage

The Elements of economic geology

Bibliographic data

Monograph

Identifikator:: 1024892336

URN:: urn:nbn:de:zbw-retromon-42711

Document type:: Monograph

Author:: Lissner, Julius http://d-nb.info/gnd/1115825569

Title:: Zur Wertzollfrage

Place of publication:: Leipzig

Publisher:: A. Deichert'sche Verlagsbuchhandlung Nachf.

Year of publication:: 1911

Scope:: 1 Online-Ressource (108 Seiten)

Digitisation:: 2018

Collection:: Economics Books

Usage license:: Get license information via the feedback formular.

Chapter

Document type:: Monograph

Structure type:: Chapter

Title:: Kapitel II. Wesen und Aufbau des Wertzolls

Collection:: Economics Books

CHAPTER XXIII MINERAL OIL? PetroLEUM — HisTorY AND NATURE — Petroleum is the second in importance of mineral fuels. The name is medi®val, and means rock oil, for, as remarked in 1543 petroleum ** droppeth out of rocks.” Many places, such as Pitchford in Derbyshire, and Pechelbronn (i.e. Pitchspring) in Alsace, are named after oil springs. Petroleum, however, dropped out of the rocks in North-western Europe in such small quantities that it was only used as medicine or cart grease. In other countries it was used in early times, as by the Peruvians for embalming mummies, by Noah to caulk his ark, and as the mortar for the Tower of Babel. Later in the Bible it is mentioned as used in paving, for the parable of the salt that has lost its savour, and is fit only to be cast out and trodden under the foot of man, probably refers to petroleum which has lost its volatile constituents, and is useful for road making. Crude petroleum is usually a dark brown to greenish-brown fluid, though it occasionally under- goes natural filtration and is almost water-clear as in some Canadian and Trinidad wells. It is a hydrocarbon of ex- tremely varied composition. In the methane or paraffin series each molecule of carbon is combined with the maximum quantity of four molecules of hydrogen, so that the carbon is fully saturated. The paraffin series is represented by the formula CoHyy 45, e.g. CH, Other groups are marked by lesser proportions of hydrogen, so that the compounds are usually unsaturated. The chief series are the ethylene or olefine, CyHyy (e.g. CoH) ; acetylene, CoH 5 (e.g. C,H); ! The U.S. gallon holds 8-33 1b. of water, the Imperial gallon holds 10 lb. ; the barrel contains 42 U.S. gallons and 35 Imperial gallons; the metric ton is 6-295 barrels, 2204 Ib. or 1000 kilograms. 275

Access restriction

Copyright

fullscreen: The Elements of economic geology

Monograph

Chapter

Table of contents

Download

Monograph

Chapter

This page

Image fragment

Citation links

Citation recommendation