Mechanics' magazine and register of inventions and improvements . legs, and backs, and circularblocks for brushes; and it saws chair topsand seats with great accuracy on a bevel. Specification of <£ Patent for an Improvement in sawing Marble, «|-c. 809 Each segment of a wheel is cut its proper ance with it will enable any one, whether length and proper inclination for the joint— mechanic or otherwise, to operate on it as the holes are bored for the dowels and well as the inventor. It is only six feet spokes, and the hubs are bored on a prin- square, and is propelled by a steam engine ciple
Mechanics' magazine and register of inventions and improvements . legs, and backs, and circularblocks for brushes; and it saws chair topsand seats with great accuracy on a bevel. Specification of <£ Patent for an Improvement in sawing Marble, «|-c. 809 Each segment of a wheel is cut its proper ance with it will enable any one, whether length and proper inclination for the joint— mechanic or otherwise, to operate on it as the holes are bored for the dowels and well as the inventor. It is only six feet spokes, and the hubs are bored on a prin- square, and is propelled by a steam engine ciple entirely new, making every spoke stand of two-horse power. with the greatest exactness from the centre A part of the principle of the same ma- to the extreme of the circle. The machine cliine is applied to a small portable frame, is perfectly simple in its construction, not and used for sawing wood for the fire with liable to get out of repair, and easy to man- a rapidity really astonishing.—[Courier 6i age and understand. A few hoursacquaint- Enquirer.]. E ?:sss^ Specification of a patent for an improvement inthe method of saicing Marble, and otherstone, and cutting or tcorking mouldings, orgroovings, thereon, and polishing the to Isaac D. Kirk, city of Phila-delphia. [From the Journal of the Frank-lin Institute.] References—A, The saws, or the mould-ing cylinder of soft cast iron ; B, Cai-riageto support and carry forward the marble, orstone ; C C, Rails on which the carriagetravels ; D, Hopper for sand and water ; E,Apparatus for advancing the carriage. To all to whom these presents shall come,be it known, that I, Isaac D. Kirk, of thecity of Philadelphia, and state of Pennsylva-nia, have invented a new and useful improve-ment in the method of sawing marble andother stone, and cutting, or working, mould-ings, or groovings, thereon, and polishing thesame ; the sawing being performed by meansof an improved revolving, circular, metallicpl
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