INTRODUCTION. Nothing is more usual and more natural for those, who pretend to discover anything new to the world in philosophy and the sciences, than to insinuate the praises of their own systems, by decrying all those, which have been advanced before them. And indeed were they content with lamenting that ignorance, which we still lie under in the most important questions, that can come before the tribunal of human reason, there are few, who... more...

CHAPTER I. THE DRAWING BOARD. A Drawing Board should be of soft pine and free from knots, so that it will easily receive the pins or tacks used to fasten down the paper. Its surface should be flat and level, or a little rounding, so that the paper shall lie close to its surface, which is one of the first requisites requisites in making a good drawing. Its edges should be straight and at a right angle one to the other, and the ends of the... more...

CHAPTER I. INTRODUCTORY. Assaying has for its object the determination of the quantities of those constituents of a material which add to or detract from its value in the arts and manufactures. The methods of assaying are mainly those of analytical chemistry, and are limited by various practical considerations to the determination of the constituents of a small parcel, which is frequently only a few grains, and rarely more than a few ounces, in... more...

SIMPLE COUNTERPOINT LESSON I Counterpoint is the art of combining two or more melodies of equal melodic individuality. In simple counterpoint all parts must remain in the same relative position to one another. The Cantus Firmus is a given melodic phrase that is to receive contrapuntal treatment, that is, one or more parts are to be added above or below it. The Counterpoint is any part other than the Cantus Firmus. Intervals are harmonic or... more...

YOUNG AMERIGO AND HIS FAMILY 1451-1470 Cradled in the valley of the Arno, its noble architecture fitly supplementing its numerous natural charms, lies the Tuscan city of Florence, the birthplace of immortal Dante, the early home of Michael Angelo, the seat of the Florentine Medici, the scene of Savonarola's triumphs and his tragic end. Fame has come to many sons of Florence, as poets, statesmen, sculptors, painters, travellers; but perhaps none... more...

PREFACE The life of Theodore Roosevelt is one well worth studying by any American boy who wishes to make something of himself and mount high on the ladder of success. The twenty-sixth President of our country is a fine type of the true American of to-day, full of vim and vigor, quick to comprehend, and equally quick to act, not afraid to defend his opinions against all comers when satisfied that he is in the right, independent, and yet not... more...

INTRODUCTION. This book is the outcome of many years of study. With the exception of a few quotations, none of the material has ever before appeared in any book. The writer has been indebted for years past to many of the physicians mentioned in the following pages for copies of pamphlets and magazines, and for newspaper articles, bearing upon the medical study of alcohol. Indeed, had it not been for the kindly counsels and hearty co-operation of... more...

CHAPTER I INTRODUCTORY—THE COST AND ADVANTAGES OF ACETYLENE LIGHTING Acetylene is a gas [Footnote: For this reason the expression, "acetylene gas," which is frequently met with, would be objectionable on the ground of tautology, even if it were not grammatically and technically incorrect. "Acetylene-gas" is perhaps somewhat more permissible, but it is equally redundant and unnecessary.] of which the most important application at the... more...

INTRODUCTION Writings of the first Quakers, even minor writings, often kindle in us today an ardor to seek what they sought and to find what they found. The excellent book by Luella M. Wright entitled "The Literary Life of the Early Friends, 1650-1725" is a pleasant and convenient introduction to these numerous and often lengthy productions of which 2600 have been listed for the first 75 years. Among them all, Luella Wright singles out one... more...

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