THE SUBSCRIBERS beg leave to call the attention of Artists and others to their superior stock of Materials for OIL AND WATER-COLOR PAINTING, AND FOR DRAWING, Imported direct from WINSOR & NEWTON, of London, and from other principal manufacturing houses in Paris, viz. : OIL COLORS.-Winsor & Newton's Superior Tube Oil Colors, &c. CANVAS. - Prepared Canvas for Artists, in rolls or on stretchers. BRUSHES.-English and French Brushes, in every variety, for Oil and Water-Color Painting. WATER-COLORS. - Winsor & Newton's unrivalled Water and Moist Colors, in sets or separately. VARNISHES, &c.— Mastic, Copal, and Picture Varnishes. EASELS, PALETTES, &c. FINE COLORS IN POWDER, and CRUDE COLORS of best quality. Whatman's Superior Drawing Papers, Hot and Cold Pressed, of every weight and texture; also, Engineers' Cartridge and Cartoon Papers; Drawing Boards. MATERIALS FOR ARCHITECTURAL DRAWING. Curves and Squares. MATHEMATICAL INSTRUMENTS. - In cases and separately. Prints, Drawing Studies, Drawing Copy-Books, &c. The above, with a great variety of other articles for Oil Painting and Drawing, imported in large stock and variety, for wholesale and retail trade. Dealers and Teachers supplied on the most liberal terms. M. J. WHIPPLE & CO., No. 35 Cornhill, Boston. NEW TREATISE ON LAND SURVEYING. E. C. & J. BIDDLE, Have recently published A TREATISE ON SURVEYING, by SAMUEL ALSOP, the favorable opinion of Teachers and of Practical Surveyors. In this work the subject is presented, in its practical as well as its theoretical relations, in a manner adapted to the wants of students generally, the theory being comprehensively and plainly elucidated, and the directions for practice being definite and precise. The following is a brief synopsis of its contents:CHAPTER I. On the nature and use of Logarithms. CHAP. II. The Geometrical definitions and constructions needed in the subsequent part of the work. CHAP. III. A treatise on Plane Trigonometry, including a good variety of examples illustrative of the solution of triangles, and a full description of the Theodolite and Surveyor's Transit, with directions for their use. CHAP. IV. On Chain Surveying. CHAP. V. On Compass Surveying. This chapter, with that on Plane Trigonometry, constitutes a full treatise on Surveying as practised in this country. In selecting the methods to be employed in overcoming the difficulties in Compass and Chain Surveying, the author has been careful to adopt, for this work, such only as can be conveniently employed in the field. CHAP. VI. contains the general principles of Triangular Surveying, the method employed in extensive geodetic operations. CHAP. VII. On the Laying Out and Dividing Land. Many of the demonstrations in this chapter will be found to be much more simple than those usually given in treatises on Surveying, almost all of them having been reduced to the development of a simple principle. CHAP. VIII. Miscellaneous Examples. CHAP. IX. is a treatise on Practical Astronomy, embracing all that is needed for the Surveyor's purposes, or is practicable with his instruments. In this chapter various methods of running meridian lines, and of determining the latitude and the time of day, are fully explained. CHAP. X. On the Variation of the Compass. This chapter contains information of great value to the practical surveyor. The tables of variation are in all cases drawn from the most recent and authentic sources. The following named LOGARITHMIC TABLES, which have been prepared with much care, are appended to the work: I. Table of Latitudes and Departures. More concise than those usually given, and, being extended to four decimal places, will enable the calculator to give great accuracy to the work. II. Table of Logarithms of Numbers. III. Table of Sines and Tangents, extended to seven decimals. IV. Table of Natural Sines and Cosines, to every minute of the quadrant. V. Table of Chords, to every five minutes of the quadrant. E. C. & J. B. have published a KEY to the above-named work. Price of the "Surveying," $1.75, and of the "Key," 75 cents per copy. The former will be sent by mail, postage paid, to Teachers wishing to examine it, for $1, and the latter for 50 cents. In press, and will be published in the Spring of 1858, A Compendium of American Literature. By Prof. C. D. Cleveland. On the same plan as the author's "Compendium of English Literature." 119 Washington St., Boston, Mass., PUBLISH THE FOLLOWING WORKS: THE STUDENT AND SCHOOLMATE, AND FORRESTER'S BOYS' AND GIRLS' MAGAZINE, A Monthly Reader for School and Home Instruction. EDITED BY N. A. CALKINS AND W. T. ADAMS. 10 cents a copy, $1 a year. Its contents embrace familiar articles on NATURAL HISTORY, MECHANICS, NATURAL SCIENCES, BIOGRAPHY, TRAVELS, HISTORY, POETRY, and STORIES. Each number will contain Original Dialogues, and New Speeches, with marks for emphasis, tones, inflections, gestures, referring to the Reader's and Speaker's Chart, which is furnished to each subscriber. The work has been highly approved by teachers and committees. Sample copies sent free for examination. TERMS: Single copy, one year, $1; five copies, $4; sixteen copies, $12, in advance. PROF. RUSSELL furnishes the speeches, marked from a set of new charts prepared by himself. CALKINS'S GAMES AT WORDS: These Games afford the most instructive amusements that children can engage in, and greatly increase their interest in the studies at school. They are played by means of Letter Cards; a set of which comprises two hundred and fifty characters, or 84 capital letters, 124 small letters, 22 figures, and 20 punctuation marks. These several letters are put up in numbers to correspond with the proportion of their use in the formation of words. In playing most of the Games, it may be well to use the small letters only, unless the number of persons engaged is large. These letters are of large size, and printed on both sides of thick, colored pasteboard, and neatly polished. They are put up in strong boxes, accompanied with a book of directions. Price, $ 1, sent free of postage. CALKINS'S LETTER CARDS, for Teaching Children the Alphabet, Reading, and Spelling, comprise a set of Letters, Figures, and Punctuation Marks. These are prepared especially for Schools. The letters are on thick binders' board, about three inches square, and neatly varnished. They are put up in a strong pasteboard box, with a tray, containing divisions for different letters, and grooved holders in which to arrange them into words. In addition to the letters, there are sheets of words for reviewing, also for reading lessons. Price, $ 1.50, sent free of postage. THE INDEPENDENT CLASS READER. A First and Second Class Book, intended for Public or Private Schools and Academies. This work has been compiled with great care. It contains selections from the best authors in the country, and is designed for the first and second classes of public and private schools. Its selections, both in prose and poetry, (upwards of two hundred,) evince excellent literary discrimination, moral elevation of sentiment, and an all-pervading spirit of humanity. They have been culled from such writers as Milton, Addison, Pope, Goldsmith, Blair, Cowper, Burns, Barbauld, Hemans, Eliza Cook, Wordsworth, Chaliners, Sydney Smith, Jonathan Dymond, Heber, Bowring, Nicoll, Howitt, Channing, Whittier, Bryant, Longfellow, and a multitude of others. 12mo. pp. 336. Price, 50 and 75 cents. “MY FIRST EXERCISES IN COMPOSITION CONTAINING DIRECTIONS, MODELS, ETC. This work has been prepared by an experienced teacher, to assist and encourage youth in school and at home. 15 cents a copy, $ 1.25 the dozen. THE INTELLECTUAL MULTIPLIER. COMPRISING CONCISE AND EASY METHODS OF MULTIPLYING NUMBERS MENTALLY. 6 cents a copy, 50 cents the dozen. "The Intellectual Multiplier " is a curious and useful little book, comprising "concise and easy methods of multiplying numbers mentally." It embraces much strange figuring that would be of service to adults. All of the above publications deserve the favorable attention of those interested in educational books. TEACHERS' EXCHANGE AND SCHOOL AGENCY: Head-quarters for Committees and Superintendents. We have established at our office a Head-quarters for Teachers, Superintendents, and Educationists, where teachers can have their names recorded, their testimonials filed, and learn of situations (by remitting one dollar to pay the expense). We invite Teachers to call and enter their names, and also Committees to send or call on us when in want of Teachers. 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