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Arnold Wagemann
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9366. Wagemann, A. May 3. Perambulators.-In an aperture in the central part of the mattress for a baby carriage or crib is placed a trough B of sheet metal or other non-porous material, over which is stretched a sheet of reticulated material P, on which the middle part of the child rests. The urine passes through the cover P into the trough, which may contain some absorbent material. Fig. 1 shows a method of fixing the cover P, each edge of which is placed round a rod s, which is then inserted under turnedover flanges on the side of the trough B.
GB189909366D1899-05-031899-05-03Improvements in Mattresses by Baby-carriages and Cribs.
ExpiredGB189909366A
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Murine cage density: cage ammonia levels during the reproductive performance of an inbred strain and two outbred stocks of monogamous breeding pairs of mice