February 5, 1880] NATURE 



In Eighteen Monthly Parts. Price, 40 cents each. Subscription for the whole work, paid in advance, $6. 



THE APPLICATIONS OF PHYSICAL FORCES. 



BY 



AMEDEE G-TJILLEMIN. 



Translated from the French by 



:m::e?.s. nsroiE^iMijLitsr loczyfr, 



and Edited, with Additions and Notes, by 



J. NORMAN LOCKYER. 



With Four Coloured Plates and nearly Five Hundred Engravings. 



The issue of Guillemin's " Forces of Nature " in monthly parts being now complete, the publishers propose to follow it up by a 



similar issue of the companion work on " The Applications of Physical Forces. This important and valuable treatise, which gives in 



popular form explanations of the various modes in which the " Forces " with which readers of the previous volume are now familiar, may 



be applied to human use, will now therefore be brought for the first time within the reach of a public to whom in its original and costly 



form it was inaccessible. The mere mention of a few of the subjects dealt with in the work is enough to show its eminent fitness to 



• ever-increasing thirst for scientific information : eg. The Pendulum, the Balance, Hydraulic Press, Artesian Wells. Pumps, 



nd Guns, Balloons, the Stethoscope, Bells, Drums, Stringed Instruments, Wind Instruments, the Organ. Mirrors, 



Lighthouses, the Microscope, the Telescope, the Stereoscope. Photography, Heliography, Heating Apparatus, the Steam Engine, Steam 



:<ion, the Locomotive, the Compass, Lightning Conductors, Electric Telegraphy . and other applications of Electricity. 



MACMILLAN & CO., 22 Bond Street, NEW YORK. 



JSTO~S7V IR-ELA^D^ST. 



BRITISH BARROWS: 



A RECORD OF THE EXAMINATION OF 



Sepulchral Mounds 



IN VARIOUS PARTS OF ENGLAND. 



:B3r w-illijlim: greeitwell. 



TOGETHER WITH DESCRIPTION OK FIGURES OF SKULLS, GENERAL REMARKS ON PREHISTORIC 



CRANIA, AXD AN APPENDIX, 



By GEORGE ROLLESTON, M.D., F.R.S., 



Linacre Professor of Anatomy and Physiology and Fellow of Merton College, Oxford. 



With Illustrations. 8vo $9- 



" The prehistoric inhabitants of Europe are now exciting an interest in the minds of thoughtful men which, twenty years ago, would 

 have seemed impossible, and which can no longer be ignored by the historian. The story of Man in Great Britain is rapidly being 

 unfolded, principally by the careful and scientific exploration of the various remains which are eloquent of the condition of things that 

 passed awa known in the North ; and among thoi i in bringing this about, 



* Ir. Greenwell will ever deserve a foremost place. ... In conclusion, it remains merely to say that this valuable work fills a void li- 

 the archaeological record of Great Britain, and that it contains a larger mass of accurately-observed lacts than any book hitherto pub- 

 to the Bronze age in this country. " — W 



MACMILLAN & CO 22 Ji \ F.W VORK 



