HORSFORD'S 



Acid Phosphate 



(Liquid), 



Three Timely Books. 



HARPER & BROTHERS, NewYork. 



Have Just Published. 



I. 



THE RAILWAYS AND THE RE- 

 PUBLIC. By James F. Hudson, pp. 

 iv., 490. 8vo, Cloth, $2.00. 



A very timely work on the aspect of the controversy 

 between some of the railway kings and the general 

 public. . . . All interested in the inland carrying trade 

 should read it if they would understand the principles 

 upon which legislation affecting the railroads is de- 

 manded. — N. Y. Journal of Commerce. 



The volume abounds in matter that demands reflec- 

 tion from every thoughtful citizen. — Boston Globe. 



This book is one of " the signs of the times.'' It is 

 important beyond measure. — N. Y. Graphic. 



Mr. Hudson's book ought to be read by every 

 thoughtful merchant and shipper in the land. It con- 

 tains the best and clearest arguments we have yet 

 seen in favor of a proper and constitutional settlement 

 of the railroad problem. — Saturday Evening Gazette, 

 Boston. 



II. 



MASSACRES OF THE MOUN- 

 TAINS. A History of the Indian Wars 

 of the Far West. By J. P. Dunn, Jr., 

 M.S., LL.B. With a Map and profuse Il- 

 lustrations, pp. x., 784. 8vo, Ornamental 

 Cloth, $3.75. 



The narrative is instructive and often becomes ab- 

 sorbing. . . . Mr. Dunn has rendered real service to 

 the history of the United States in a field of research 

 where great discrimination and arduous labor were 

 requisite. — N. Y. Herald. 



A book of peculiar interest, different in its scope 

 from any previous work upon the subject. . . . Mr. 

 Dunn has supplied within his self-imposed limits a 

 mass of valuable information which one could find no- 

 where else. — N. Y. Tribune. 



\ III. 



MANUAL TRAINING. The Solution 

 of Social and Industrial Problems. By 

 Charles H. Ham. Illustrated, pp. xxii., 

 404. i2mo, Cloth, $1.50. 



Great value the book assuredly has. It marks an 

 epoch in the history of education and especially of 

 American education. ... We should bespeak for it a 

 cordial welcome and a careful consideration. — N. Y. 



World. 



Mr. Ham writes in a spirits of enthusiastic devotion 

 to his subject, and his pages exhibit a wide range of 

 information respecting education and the social prob- 

 lem. — N. Y. Sun. 



The above works sent, carriage paid, to any part of 

 the United States or Canada, on receipt of price. 



Harper's Catalogue sent on receipt of ten cents. 

 HARPER & BROTHERS, New YorK. 



For Dyspepsia, Mental and Physical Exhaustion, 

 Nervousness, Wakefulness, Diminished Vitality, 

 etc. 



Prepared according to the directions of Pro- 

 fessor E. N. Horsford of Cambridge, from the 

 phosphates of lime, magnesia, potash, and iron, 

 with phosphoric acid in such form as to be readily 

 assimilated by the system. 



Universally prescribed by physicians. 

 It is not nauseous, but agreeable to the taste. 

 No danger can attend its use. 

 Its action will harmonize with such stimulants as 

 are necessary to take. 



It makes a delicious drink with water and sugar only. 



Prices reasonable. Pamphlet mailed free. 



Rumford Chemical Works, Providence, R. I. 



INCANDESCENT LIGHTING 



ON 



ARC LIGHT CIRCUITS. 



THE BROWN AUTOMATIC CONVERTER 



will supply and take care of ten to twelve 16 c,p. incandes- 

 cent lamps at any point on an arc light circuit from an initial 

 current equal to a 2,000 c. p. arc lamp of 9.5 ampere. 



Can be used with any make arc dynamo. 



Any number of lamps can be turned on or off without 

 affecting the rest. 



Invaluable to lighting companies as a means by which 

 they can secure customers, from one up, for incandescent 

 lighting anywhere on their circuit without involving the large 

 expense for incandescent lighting plants, or the necessity of 

 getting a large number of subscribers to commence with. 



Address 



THE BROWN ELECTRIC COMPANY, 



400 Wood Street, Pittsburgh, Pa. 



^nf^red at the Post-office in New York as second-class 



mail matter. Copyright, 1886, by The Science Company. 



