T.L.,

Box 728 Postoffice, Derby, Conn,


CIRCULAR SAW MILLS, PLANERS Matchers, etc. Prices Low. S. HEALD & SONS Barre, Mass., make the Largest and Best Planer to be found for the money. Send for circulars.


SHINGLE AND HEADING MACHINE--Trevor & Co.'s Improved. The Simplest and Best in use. Also, Shingle, Heading, and Stave Jointers, Stave Cutters, Equalizers. Heading Turners, Planers, etc. Address TREVOR & CO, Lockport, N. Y.


THE INVENTOR'S AND MECHANIC'S GUIDE.--A valuable book upon Mechanics, Patents, and New Inventions. Containing the U. S. Patent Laws, Rules and Directions for doing business at the Patent Office; 112 diagrams of the best mechanical movements, with descriptions; the Condensing Steam Engine, with engraving and description; How to Invent; How to Obtain Patents; Hints upon the Value of Patents; How to sell Patents; Forms for Assignments; Information upon the Rights of Inventors, Assignees and Joint Owners; Instructions as to Interferences, Reissues, Extensions Caveats, together with a great variety of useful information in regard to patents, new inventions, and scientific subjects, with scientific tables, and many illustrations 108 pages. This is a most valuable work. Price only 25 cents. Address MUNN & CO., 37 Park Row, N.Y.


BALL, BLACK & CO.