Continuation Of The Study Of Toothed Gear

Design for a pair of bevel-wheels in gear, Plate XXI1. Construction of wooden patterns for a pair of bevel-wheels, Plate XXIII. Involute and Helical Teeth, Plate XXIV. Contrivances for obtaining Differential Movements - The delineation of eccentrics and cams, Plate XXV. Hides and Practical Data -Mechanical work of effect, The simple machines, Centre of gravity, On estimating the power of prime movers, Calcu-lation for the brake, The fall of bodies, Momentum, Central forces.

Elementary Principles Of Shadlows

Shadows of Prisms, Pyra-midsand Cylinders, Plate XXVI. Principles of Shading, Plate XXVII. Continuation of the Study of Shadows, Plate XXVIII. Tuscan Order, Plate XXIX. Rules and Practical Data - Pumps, Hydrostatic principles, Forcing pumps, Lilting ami forcing pumps, The Hydrostatic press, Hydrostatical calculations and data - discharge of water through different orifices, Gaging of a water-course of uniform section and fall, Velocity of the bottom of water-courses, Calculation of the discharge of water through rectangular orifices of narrow edges, Calculation of the discharge of water through overshot outlets, To determine the width of an overshot outlet, To determine the depth of the outlet, Outlet with a spout or duct.

Application of Shadows to Toothed Gear, Plate XXX. Ap-plication of Shadows to Screws, Plate XXXI. A indication of Shadows to a Boiler and its Furnace, Plate XXXII. Shading in black - Shading in colors, Plate XXXIII.

The Cuttino and SHAPING of Masonry, Plate XXXIV. Rules and Practical Data - Hydraulic motors, Undershot water wheels, with plane floats and a circular channel, Width, Diameter, Velocity, Number and capacity of the buckets, Useful effect of the water wheel. Overshot water wheels, Water wheels with radial floats, Water wheel with curved buckets, Turbines. Remarks on Machine Tools:

The Study Of Machinery And Sketching

Various applications and combinations: The Sketching of Machinery, Plates XXXV and XXXVI. Drilling Machine; Motire Machines; Water wheels, Con- struct ion and setting up of water wheels, Delineation of water wheels, Design for a water wheel, Sketch of a water wheel; Overshot Water Wheels. Water Pumps, Plate XXXVII, Steam Motors: High-pressure expansive steam engine. Plates XXXVIU., XXXIX. and XL. Details of Construction: .Movements of the Distribution and Expansion Valves; Rules and Practical Data - Steam engines: Low-pressure condenslng; engines without expansion valve, Diameter of piston, Velocities. Steam pipes and Passages, Air-pump and condenser, Cold-water and lead-pumps, High-pressure expansive engines, Medium pressure con-delisting and expansive, steam engine, Conical peudulum or centrifugal governor.

Oblique Projections

Application of rules to the delineation of an oscillating cylinder, Plate X LI.

Parallel Perspective

Principles and applications, Plate XLII

True Perspective

Elementary principles, Plate XLIII. Applications - flour mill driven l»y belts, Plates XL1V. and XIV. Description of the mill, Representation of the mill in perspeetive, Notes of recent improvements in flour mills, Schiele's mill, Mullin's "ring mill-flour," Barnett's millstone, Hastle's arrangement for driving mills, Currie's lmprovements in millstones Rules and Practical Data -Work performed by various machines, Flour mills, Saw mills, Veneer-sawing machines, Circular saws.

Examples Of Finished Drawings Of Machinery

Plate A, Balance water-meter; Plate B, Engineer's shaping machine; Plate CD E, Express locomotive engine; Plate P., Wood planing machine; Plate G, Washing machine for piece goods; Plata H, power loom; Plate I, Duplex steam boiler; Plate J, Direct-acting marine engines.

Drawing Instruments,

Barnard (Henry), National Education in Europe :

Being An Account of the Organization, Administration, Instruction, and Statistics of Public Schools of different grades in the principal States. 890 pages, 8vo., cloth,................................................................$3.00

Barnard (Henry). School Architecture.

New Edition, 300 cuts, cloth,................................92.00

Beans. A Treatise on Railroad Curves and the Location of Railroads.

By E. W. Beans, C. E. 12mo. (In press.)

Bishop. A History of American Manufactures,

From 1608 to 1860; exhibiting the Origin and Growth of tho Principal Mechanic Arts and Manufactures, from the Earliest Colonial Period to the Present Time; with a Notice of the Important Inventions, Tariffs, and the Re-salts of each Decennial Census. By J. Leander Bishop, M. D,: to which is added Notes on the Principal Manufacturing Centres and Remarkable Manufactories. By . Edward Young and Edwin T. Freedley. In two vols., 8vo. Vol. 1 now ready. Price,...........................$3.00

Bookbinding: A Manual of the Art of Book-binding Containing full instructions in the different branches of Forwarding, Gilding and Finishing. Also, the Art of Marbling Book-edges and Paper. By James B. Nicholson. Illustrated. 12mo., cloth,...................................$2.00

Contents

Sketch of the Progress of Bookbinding Sheetwork. Forwarding the Edges, Marbling, Gilding the Edges, Covering, Half Binding, Blank Binding, Boarding, Cloth-work, Ornamental Art, Finishing, Taste And Design, Styles, Gilding, Illuminated Binding. Blind Tooling, Antique, Coloring, Marbling, Uniform Colors, Gold Marbling, Landscapes, etc., Inlaid Ornaments, Harmony of Colors. Tasting Down, etc., Stamp or Press-work, Restoring the Bindings of Old Books, Supplying imperfections in Old Books, Hints to Book Collectors, Technical Lessons.

Booth and Morfit. The Encyclopedia of Chemistry, Practical and Theoretical:

Embracing its application to the Arts, Metallurgy, Mine-ralogy, Geology, Medicine, and Pharmacy, By James C. Booth, Melter and Refiner in the United States Mint; Professor of Applied Chemistry in the Franklin Institute, etc.; assisted by Campbell MoRfit, author of "Chemical Manipulations," etc. 7th Edition. Complete in one volume, royal octavo, 978 pages, with numerous wood cuts and other illustrations..................................$0.00