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More Power for Less Money

The Rambler engine-horizontal type, large bore, long stroke-provides more power, in less space, at less cost to produce, than any other engine of any other make.

The Rambler gearing-a planetary system that transmits the engine impulses in a direct line to the wheelsreduces loss of power to the absolute minimum.

The power-making and power-saving features of the

Rambler

help make it the most economical automobile on the market. And it's as economical to keep as it is to buy. The Catalogue tells why. Send for it.

Eight models, $650 to $1,350 at factory.

Thos. B. Jeffery & Company, Kenosha, Wis., U. S. A.

Chicago Branch: 304 Wabash Ave.

Boston Branch: 145 Columbus Ave.

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PENBERTHY

Penberthy

Automatic Injectors

S

Light the way out

of Injector Troubles

TEER clear of the rocks that have caused other engineers trouble, and place your reliance on Penberthy Injectors. Eighteen years on the market and over 350,000 in actual use, places them in their present high place- the standard injector of the world.

Write for catalogue describing our Injectors and other engineer's necessities.

Penberthy Injector
Company

Largest Manufacturers of
INJECTORS in the World

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365 Holden Ave., Detroit, Mich., U. S. A.

The Penberthy Bulletin sent 3 months free
to any engineer

LITERATVRE

REVIEWS MAGAZINES

BOOKS

Devoted to a review of new and timely books on Scientific, Technical, and Industrial subjects:
and a presentation in condensed form of the substance of a select list of the most important cur-
rent Magazine Articles and Manufacturers' Catalogues in the field of Engineering, Architecture,
and other branches of Applied Science.

Any book reviewed may be purchased by ordering through THE TECHNICAL WORLD.
Orders must be accompanied with remittance of full price.

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A MOST TIMELY book in view of the crisis with which Russia is now face to

face. The hopelessness of the picture here presented is almost without one ray of light; and the significant thing about it is that the author has gathered his information largely at first hand, on the ground.

Another than the Czar has been called the "Sick Man of Europe," but Nicholas II. is entitled to the name-for either he is the inspiration, or he is the helpless tool, of that bureaucratic system of centralization which is as deadly a bane to the national life as is the hoof of the Sultan's horse to the grass upon which it treads. It is because Russia has been so inordinate in her ambition of expansion, and so ruthless in pursuit of her policy of "One flag, one language, one religion," that now in the hour of her trouble she finds but scant sympathy even among the chancelleries of Europe.

By "Russia" is here meant, of course, not the Russian people, but their overlords, for the peasantry are of sturdy

stock-the embryo, as it were, of a middle class such as, under more liberal governments, constitutes the main sinew of the national life, but which in Russia has never developed. It is in her people that the hope of Russia, and the strength of Russia-as indeed of every other nation-ultimately lies; and if her present chastisement shall serve the purpose of unlocking in any degree the yoke under which they have so long labored, the world at large will be benefited. The author might have brought out this point more strongly.

Russia is on a par with Turkey as a disturbing factor in international politics; and it is because of the large r involved in her problem, and the mystery with which she surrounds her counsels, that to the world's imagination her function as a world-power has been so exaggerated. According to Doctor von Schierbrand, her claims to strength rest solely on her enormous size. He finds the main cause of her intrinsic weakness in her persistent policy of territorial aggrandizement, which, through absorption of ever farther and farther outlying regions incapable of assimilation, multiplies her points of vulnerability and perennially drains her resources. Other serious canker-spots are the increasing ex

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