A geological inquiry respecting the water-bearing strata of the country around London, with reference especially to the water-supply of the metropolis

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Page 164 - DEGREES OF HARDNESS AND DEGREES OF ALKALINITY EXPLAINED. Degrees of Hardness. — Each degree of hardness indicates as much hardness as would be produced by one grain of chalk per gallon held in solution in the form of bicarbonate of lime, free from any excess of carbonic acid. The degree of hardness caused by a lime salt depends, not on the state of combination of the calcium it contains, but on the quantity of the calcium.
Page 245 - The Engravings, 205 in number, are from Stained Glass, Tombs, Sculpture and Carving, Medals and Coins, Rolls of Arms, and Pedigrees. 8vo. price 21s., a few on large paper (Royal 8vo.), for colouring, price 21. 2s. AN ANGLER'S RAMBLES. By EDWAKD JESSE, FLS, Author of 'Gleanings in Natural History.
Page 245 - MANUAL OF GOTHIC MOLDINGS. A Practical Treatise on their formations, gradual development, combinations, and varieties ; with full directions for copying them, and for determining their dates. Illustrated by nearly 600 examples. By FA PALEY, MA Second Edition, 8vo, 7.
Page 248 - A Polyglot Edition of this volume, with inter-paged Translations in the Greek, Latin, German, Italian, and French languages. 12s. GRAY'S BARD. With Illustrations from Drawings by the Hon. Mrs. JOHN TALBOT. Uniform with the Elegy of Gray, to which it forms an appropriate companion volume. 7.
Page 247 - A CABINET EDITION OF THE HOLY BIBLE; THE AUTHORIZED VERSION, WITH TWENTY-FOUR HIGHLY-FINISHED STEEL ENGRAVINGS ; The Historical Subjects from the most esteemed Paintings of the Old Masters, and the Landscapes from Drawings, by W. WESTALL, ARA Price, in embossed binding, 10s. 6d. A CABINET EDITION OF THE BOOK OF COMMON PRAYER; THE AUTHORIZED VERSION, WITH TEN ENGRAVINGS, EXECUTED IN THE BEST MANNER, ON STEEL.
Page 248 - SHAKSPEARE'S SEVEN AGES OF MAN. Illustrated by WILLIAM MULREADY, RA ; J. CONSTABLE, RA ; SIR DAVID WILKIE, RA ; W. COLLINS, RA; AE CHALON, RA ; A. COOPER, RA ; SIR AW CALLCOTT, RA ; EDWIN LANDSEER, RA ; W. HILTON, RA 6s. A few copies of the First Edition in 4to. remain for sale.
Page 246 - A BRIEF HISTORY OF CHRIST'S HOSPITAL, from its Foundation by King Edward the Sixth.
Page 245 - SYSTEMATIC CATALOGUE OF THE EGGS OF BRITISH BIRDS, arranged with a View to supersede the use of Labels for Eggs. By the Rev. SC MALAN, MA, MAS On writing-paper. 8vo, 8s. 6d.
Page 246 - And a Series of Illustrations of the Window Tracery of the Decorated Style of Ecclesiastical Architecture.
Page 244 - NOTES ON THE GEOLOGY AND CHEMICAL COMPOSITION OF THE VARIOUS STRATA IN THE ISLE OF WIGHT.

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