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263,412 · Jackson · "Method of Illuminating Basements" · Page 2
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263,412: 2 of 3

    I am aware of the patent issued to Wm. Dale, January 14, 1879, No. 211,297, and specifically disclaim anything shown therein.
    Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is--
    1. The improvements in illuminating-tiles, consisting in the alternate sections A, having deep strengthening-ribs C, and the shoulders D, projecting upon the opposite sides of the section to support the adjacent plain tiles, which are made without ribs or shoulders, said shoulders extending the full length of the section, so as to rest upon the supporting wall and bar at each end, substantially as herein described.
    2. The improvement in illuminating-tiles, consisting of the tiles A, laid upon supports, as shown, and having a filling and a border, E, of hard cement, run between them and around their edges, so as to take the place of a stone coping, and also make a tight joint, substantially as herein described.
    3. The improvement in laying illuminating-tiles, consisting in first laying the tiles with their ends upon the inner beam or bar and the outer supporting-wall, then casting around the periphery a prism or other shaped inclosing border of hard cement, which forms a joint between the sidewalk and the tiles, substantially as herein described.
    4. The improvement in illuminating-tiles, consisting of the cast metallic sections, with horizontal shoulders D, upon which the edges of the adjacent tiles are supported, where said shoulders extend the full length of the tiles, so as to rest upon the bearing-surfaces, substantially as and for the purpose herein described.
    5. The improvement in basement-extensions, consisting of the supporting beams and wall having depressions a at intervals, as shown, in combination with the horizontal tile-supporting shoulders D, resting in the depressions and forming the bottoms of tile joints between the meeting edges of adjacent tiles, substantially as herein described.
    6. The improvement in laying illuminating-tiles, consisting in first laying tiles having ribs C at the edges where the joint is formed, and horizontal shoulders D, extending the full length of the tiles, with intervening tiles supported upon said shoulders, and then filling the joints between and beneath the tiles with a cement composed of brimstone or other hard quick-setting material, substantially as herein described.
    In witness whereof I hereto set my hand.
PETER H. JACKSON.
Witnesses:
    S. H. NOURSE,
    C. D. COLE.