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Jens Gabriel Fredrik Lund
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Individual
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Publication of GB190228265ApublicationCriticalpatent/GB190228265A/en
28,265. Lund, J. G. F. Dec. 22. Slabs.-Artificial stone slabs for walls are formed with tongued and grooved horizontal edges 2, 3 and inclined side edges to form arches adapted to resist vertical and horizontal pressures. The side edges of the slabs in one course are inclined to the faces of the slabs in an opposite direction to the inclination of the sides of the slabs in the adjacent courses. The slabs are laid without mortar or cement, and may be used in the construction of hollow walls.
GB190228265D1902-12-221902-12-22Improvements in Walls
ExpiredGB190228265A
(en)