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Fred Mawer
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Individual
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Individual
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Publication of GB190725485ApublicationCriticalpatent/GB190725485A/en
25,485. Mawer, F. Nov. 18. Floors; girders and beams.-Wedge-shaped openings B are cut in the joists A supporting ball-room or other floors to produce an amount of spring at the ends equal to that at the middle.
GB190725485D1907-11-181907-11-18An Improvement in the Construction of Joists for the Support of Ball-room or other Floors.
ExpiredGB190725485A
(en)