Specification of George Hill and David Hill : trusses.

  • Hill, George, -1887.
Date:
1866
Catalogue details

Licence: Public Domain Mark

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

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    PrOYlBlOIlftl 6r. D. HilVs Improvements in Trusses. before being definitively fixed the bottom of the plate is entered into one or other of the grooves or notches in the disc according to the pressure required to be exerted. In some cases we dispense with the additional metal plate, and attach the pads to the central metal band, and also instead of grooves or notches in the disc in the top of the pad we form teeth gearing into a worm 5 working in the small frame, so that the pressure of the pad can be altered without removing it from the band. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said George Hill and David Hill in the Great Seal Patent Office on the 18th August 1866, jq TO ALL TO WHOM THESE PRESENTS SHALL COME, we, George Hill and David Hill, of the City of Manchester, in the County of Lancaster, send greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date the Twentieth day of February, in the year of our 15 Lord One thousand eight hundred and sixty-six, in the twenty-ninth year of Her reign, did, for Herself, Her heirs and successors, give and grant unto us, the said George Hill and David Hill, Her special license that we, the said George Hill and David Hill, our executors, administrators, and assigns, or such others as we, the said George Hill and David Hill, our executors, so administrators, and assigns, should at any time agree with, and no others, from time to time, and at all times thereafter during the term therein expressed, should and lawfully might make, use, exercise, and vend, within the United Kingdom of Great Britain and Ireland, the Channel Islands, and Isle of Man, an Invention for “ Improvements in Trusses,” upon the condition 25 (amongst others) that we, the said George Hill and David Hill, our execu¬ tors or administrators, by an instrument in writing under our, or their, or one of their hands and seals, should particularly describe and ascertain the nature of the said Invention, and in what manner the same was to be performed, and cause the same to be filed in the Great Seal Patent Office within six 30 calendar months next and immediately after the date of the said Letters Patent. NOW KNOW YE, that we, the said George Hill and David Hill, do hereby declare the nature of our said Invention, and in what manner the same is to be performed, to be particularly described and ascertained in and by the 35