Specification of George Hill and David Hill : trusses.

  • George Hill
Date:
1866
Catalogue details

Licence: Public Domain Mark

Credit: Specification of George Hill and David Hill : trusses. Source: Wellcome Collection.

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    V. A.D.1866, 20th February. N° 522. • Trusses. LETTERS PATENT to George Hill and David Hill, of the City of Man¬ chester, in the County of Lancaster, for the Invention of “ Improvements in Trusses.” Sealed the 17th August 1866, and dated the 20th February 1866. 5 PROVISIONAL SPECIFICATION left by the said George Hill and David Hill at the Office of the Commissioners of Patents, with t eir e l ion, on the 20th February 1866. We, Geobob Hilt and Da™ Hux, of the City «fManchester,in the County of Lancaster, do hereby declare the nature of t o sat nven “ Improvements in Trusses,” to be as follows. on*;rplpci tbe can yiefd 'to tbe e.e, changing aud of the 0 and to the central metal band we fix a P ^ *• h « tt ■' lo:k - >- *•
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    No text description is available for this image
    No text description is available for this image