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1878 Laxton's Price Book: Hayward Brothers
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1878 Hayward Brothers ad in Laxton's Price Book
HAYWARD BROTHERS'
Diagram showing ray of light passing through semi-prismatic vault lightPATENT
PAVEMENT LIGHTS,
WITH HEXAGONAL AND RECTANGULAR
SEMI-PRISMATIC REFLECTING LENSES.

    The light is reflected through the lens from the sloping back of it in the direction shown by the arrow, and the reflecting face is at such an angle as to send the rays of light into the basement in a direct line from the front. The light from all other descriptions is only perpendicular. Hence the advantage of using Hayward's Patent Semi-Prismatic Radiating and Reflecting Lenses.
Hayward Brothers vault light panel (1878)

ORDINARY PAVEMENT LIGHTS,
With Straight Bars about 4 5/8 Inches centre to centre, Glazed with thick rough Plate Glass
SAFETY COAL PLATES,
Solid—Ventilating—Illuminating—or partly Ventilating and Illuminating.
HAYWARD'S SHERINGHAM VENTILATOR,
For the admission of fresh air day and night without a draught.
ARNOTT'S CHIMNEY VALVES,
And all kinds of Ventilating Apparatus.
IMPROVED CIRCULAR AND OTHER ORNAMENTAL IRON STAIRCASES.
HAYWARD'S PATENT "UNION" KITCHEN RANGE,
With Open Fire.
HOT & COLD BATHS & HOT WATER APPARATUS.

ILLUSTRATED PRICE LISTS ON APPLICATION.
HAYWARD BROTHERS, Patentees & Manufacturers.
Works: 187, 189, 191, 193, Union Street, Borough, London, S.E