US 359,779 (Foucher, 1887 [1879 France])
US patent 359,779, "Machine for Casting ande Finishing Type." Issued 1997-03-22 to Léon Foucher and Auguste Foucher, of Paris, France. Filed 1885-02-10 as application serial no. 156,376.
Prior Foucher patents on this machine: France, No. 129,545 (1879-03-12); Belgium, No. 49,113 (1879-08-23) & No. 63,710 (1883-12-29); German Empire, No. 14,537 (1881-01-01) & No. 30,455 (1884-06-25).
The Barth is a derivative of the Foucher machine of 1879, so I've included here the basic patent for that machine.
US 376,765 (Barth & Lietze, 1888)
US patent 376,765, "Type Casting and Finishing Machine." Issued 1888-01-24 to Henry Barth and Ernst Lietze. Filed 1886-06-12 as application serial no. 205,010. Assigned to the Cincinnati Type Foundry.
US 392,710 (Barth & Lietze, 1888)
US patent 382,710, "Type Casting and Finishing Machine." Issued 1888-11-13 to Henry Barth and Ernst Lietze. Filed 1888-07-17 as application serial no 280,226. Assigned to the Cincinnati Type Foundry.
References Barth's patent 376,765.
US 708,010 (Barth, 1902)
US patent 708,010, "Type-Casting." Issued 1902-09-02 to Henry Barth. Filed 1900-11-05 as application serial no. 35,480. Not assigned.
"The object of my invention ... is accomplished by producing a vacuum in the chamber in which the type is cast and admitting the molten metal into the vacuum while excluding the air therefrom."
References Barth's patent 376,765.
US 1,115,773 (Benton, 1914)
US patent 382,710, "Type-Casting Machines." Issued 1914-11-03 to Linn Boyd Benton. Assigned to the American Type Founders.
US patent specifications are in the public domain by law.
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