1851 THE MECHANICS MAGAZINE. Patent Law, Daguerrotypes, Rifles, Harpoons, Liquid Dynamics &c.

Ex library from The Franklin Institute of Philadelphia with a charming early to mid 19th century bookplate depicting Benjamin Franklin and, in printed script "Library of the Franklin Institute." 

Contents include: Engravings of Mr. Williams's Patent Steam-Boiler Furnaces; On the Rotation of the Earth by B. Rozzell; The Prospects of Electro-Magnetism as a Motive Power [Professor Page]; Engravings of Walker's Registered Double-Acting Screw Press; White's Patent Hydro-Carbon Gas; Engravings of Dunn's Patent Caloric Engine; A Sequence of Articles on the Prevention of Boiler Explosions; Newton's Law of the Resistance to the Motion of Bodies through Fluids; Engravings of Ericsson's Reciprocating Fluid Meter; Engravings of Allan's Improvements in  Electric Telegraphs; Engravings of Hodges' Patent Silent Harpoon Projector / Rifle; Engravings of Black's Patent Folding Machine; Extensive Content on Patent Law; Engravings of Briand and Fell's Patent Water Freshening Apparatus; Engravings of Ullmer's Patent Self-Inking Hand-Printing Press; The Reaping Machine; Constable's Compensation Fly-Wheel [William Constable]; The Mammoth Caves; An American "Flying Ship;" Engravings of Marsden's Patent Ventilating Boots and Shoes; Engravings of the Northumberland Model Life-Boat; The Trial-Match between the New York Yacht "America" and the English Yacht "Titania;" Engravings of Dray's Turn Rest Plough; Experiments with Fire-Arms; The Submarine Telegraph; Engravings of Horn's Patent Carpet-Beating and Cleansing Machinery; The Dover and Calais Submarine Telegraph; Engravings of Ridley and Edeser's Patent Safety-Hinge and Burglary-Alarm; Gutta Percha Works;  Engravings of Mr. Vint's Under-Water Paddle-Wheel; Coloured Daguerreotype - Hillotype & Heliochrome Photographs; Hints for the Improvement of Hospitals; Engravings of Robertson's Patent Improvements in Pianofortes; Engravings of Ross's Patent Improvements in Wool-Combing Machinery; Engravings of Captain Carpenter's Patent Improvements in Screw Propelling; On Conical Shot [Bullets] by C. A. Holdstock [with illustrations; extensive]; Sliding and Revolving Keels; The American Steam and Gas Fire Engine; Sir Samuel Bentham's Experimental Vessels; Berthon's Patent Boats, Sounding Instruments, Tide Gauges, and Current Indicators [Engravings]; 

Robertson, J. C. [Ed.] The Mechanics' Magazine, Museum, Register, Journal, and Gazette, July 5th - December 27th, 1851. London. Robertson and Co. 520 + xx [index]. 

An attractive half calf volume, beautifully and extensively illustrated throughout. A bit rubbed and slightly cocked. No external indications of ex library, but interior retains a very attractive period bookplate of the Franklin Institute and punch hole ex library ownership on title page. Else very good.