British Letters Patent No. 2,979 of 1806-10-23 (Specification acknowledged 1806-12-19, Specification enrolled 1807-04-22). Elihu White. "A Machine for Casting or Founding Types, Letters, Spaces, and Quadrats Usually Made Use Of In Printing."
This is the British version of US patent 635X of William Wing (White's partner), which was lost in the 1836 US Patent Office fire. This GB version survives, but the full specification is available only in paper format. I do not have a copy.
This patent is discussed in some detail in Rollo G. Silver's Typefounding in America, 1787-1825 (Charlottesville, VA: For the Bibliographical Society of the University of Virginia by the University Press of Virginia, 1965): 103-105, plate 36. (His Plate 36 reproduces the drawing from White's patent.)
These are page images extracted from the Google Books PDF of Patents for Inventions[:] Abridgments of Specifications Relating to Printing . (London: George E. Eyre and William Spottiswoode, 1859.) This is not itself the full Specification, but an abridgement of the Specification. It does not include the drawing present in the Specification.
The volume of abridgements of GB patent specifications from which the images here were extracted is in the public domain. Digitization was by Google Books.
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