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British Patent Office Seal
A.D. 1871, 31st July.     Nº 2014.
Pavement Lights.
LETTERS PATENT to Edward Lambert Hayward, of No. 79, Cornhill, in the City of London, Manufacturing Ironmonger, for the Invention of "IMPROVEMENTS IN PAVEMENT LIGHTS."

Sealed the 5th of January 1872, and dated the 31st of July, 1871.

PROVISIONAL SPECIFICATION left by the said Edward Lambert Hayward at the Office of the Commissioners of Patents, with his Petition, on the 31st July 1871.

    I, EDWARD LAMBERT HAYWARD, of No. 79, Cornhill, in the City of London, Manufacturing Ironmonger, do hereby declare the nature of the said Invention for "IMPROVEMENTS IN PAVEMENT LIGHTS," to be as follows:--

    This Invention has for its object improvements in pavement lights.

    Pavement lights are commonly used to cover the areas in front of windows in the basements of buildings, and the object of my Invention is so to construct them that they may not simply allow the light to pass through, but that they may also direct the light in an inclined direction into the rooms it is desired to light. For this purpose I glaze the frame of the pavement light with glass which is moulded so as to be of a prism-like form on the under side, resembling to some extent in this respect the glasses which are often inserted into ships' decks to give light below.