|
Up: Patent Index |
2014 · Hayward · "Pavement Lights" · Page 2 Home > Prism Glass > Patent Index > Page 2 |
2,014: 2 of 6 |
| 2 | A.D. 1871. -- Nº 2014. | Provisional Specification |
|
Hayward's Improvements in Pavement Lights. | ||
|
The form and arrangement of the prism is,
however, entirely altered in order that the light may be throw
forward in one direction, as already stated. One of the sides of
the prism is upright or nearly so, and the other side is inclined
to it at such an angle that the light passing through the upper
surface may strike this inclined side and be reflected completely
or nearly so within the prism, and issue from the upright or nearly
upright side in the direction required. The sides of the prism may
be flat or curved in a horizontal plane.
I usually form the glasses to glaze pavement lights hexagonal on the upper surface, and fit them into an iron frame with corresponding hexagonal cells, but the glass may be made rectangular or of other form on the upper surface. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said Edward Lambert Hayward in the Great Seal Patent Office on the 31st January 1872. TO ALL TO WHOM THESE PRESENTS SHALL COME, I, EDWARD LAMBERT HAYWARD, of No. 79, Cornhill, in the City of London, Manufacturing Ironmonger, send greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date the Thirty-first day of July, in the year of our Lord One thousand eight hundred and seventy-one, in the thirty-fifth year of Her reign, did, for Herself, Her heirs and successors, give and grant unto me, the said Edward Lambert Hayward, Her special license that I, the said Edward Lambert Hayward, my executors, 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 PAVEMENT LIGHTS," upon the condition (amongst others) that I, the said Edward Lambert Hayward, my executors or administrators, by an instrument in writing under my, or their, or one of their hands and seals, should particularly describe and ascertain the nature of said Invention, and in what manner the |