NP, n/d. Hardcover. Ex-library. Unpaginated (240pp). Total of 38 patents (* see below) with text and reproductions of b/w drawings of many inventions & designs. Bound in stiff boards covered with orange cloth. Includes 2 original typewritten pages on "a machine for forging screws, beads, etc.", author not stated. All patents approved by the United States Patent Office between the years 1863-1887. Age wear, staining and rippling on binding. Library plate and info sheet pasted on inside of front cover. Handwritten title on free front endpaper. Perforated and blind library stamp on few leaves. Binding in fair, interior in overall very good condition. Scarce. g. Item #23923
* Patents: 1) Machine for forging car-axles and other metal articles 2) Machine for making car-wheels 3) Die for forging metal articles circular in cross-section 4) Method of forging metal bars 5) Die for spherical articles 6) Die for making rolled forging 7) Roller-Swaging die 8) Making Metal-Rolling dies 9) Shell and method of making the same 10) Armor-Piercing shell 11) Die for making rolled forging 12) Rolled conical projectile 13 & 14) Die for making rolled forging. # 1 - # 14 by George F. Simonds, of Fitchburg, Massachusetts. 15) Improvement in machines for rolling and forging metals by Samuel Vanstone, of Providence, Rhode Island. 16) Improved cast-steel car-wheel by John Blake Tarr, of Chicago, Illinois 17) Improvement in permeation locks for doors, etc., by John H. Morse, of Peoria, Illinois 18) Improvement in permeation locks for doors, etc., by T. J. Sullivan, of Rochester, New York 19) Improved machine for threading screws, by Harvey J. Harwood and William H. Mickle, of Utica, New York, Assignors to Harvey J. Harwood and John F. Seymour, of same place 20) Improvement in the doors of fire-proof safes, by William B. Dodds, of Cincinnati, Ohio, Assignor to Dodds, MacNeale & Urban, of same place 21) Improvement of Railroad-trucks, by David McFarland, of Worcester, Massachusetts 22) Improvement in venting cores, by George C. Cressey, of Philadelphia, Pennsylvania 23) Improvement in Permutation-Locks, by Jacob Weimar, of Mount Vernon, New York 24) Improvement in machines for making screws and screw-nails, by Reinhold Boeklen, of Brooklyn, New York, Assignor of one-half his right to Henry Torstrick, of New York City 25) Improvement in wood-screw machines, by James M. Alden, of New York, N.Y., Assignor to International Screw-Nail Company, of same place 26) Improvement in bolting devices for safes, by Stephen J. Burton, of Charlestown, Assignor to American Steam Fire-Proof-Safe Company, of Boston, Massachusetts 27) Improvements for bolts for safe-doors, by Hiram B. Tripp, of Boston, Massachusetts 28) Improvement in permutation locks, by George L. Damon, of Cambridge, Massachusetts 29) Improvement in permutation locks, by Emory Stockwell, of Stamford, Connecticut 30) Improvement in Governors, by John S. Warren, of Fishkill-on-the-Hudson, New York 31) Improvement in machines for threading screw-blanks, by Edward Croft, of Waterbury, Connecticut 32) Improvement in machines for finishing horseshoe-nails, by Jethro B. Husted, of Vergennes, Vermont 33) Improvement in machines for finishing horseshoe-nails, by Robert Ross, of Vergennes, Vermont 34) Improvement in machines for rolling threads on screws, by Edward Croft, of Waterbury, Assignor to the Russell & Erwin Manufacturing Company, of New Britain, Connecticut 35) Machine for rolling threads of screws or bolts, by Hayward A. Harvey, of Orange, New Jersey 36) Permutation-Lock, by Emory Stockwell, of Stamford, Connecticut 37) Manufacture of solid cast-steel car-wheels, by Jacob Reese, of Pittsburgh, Pennsylvania 38) Machine for rolling screw-threads, by Charles S. Clark, of Providence, R.I., and Hayward A. Harvey, of Orange, N.J.; said Clark Assignor to said Harvey and the Harvey Screw and Bolt Company, of Connecticut.