Abstract: An improved versatile tape measure tool is provided, which consists of an elongated strip of tape marked off in a linear scale for taking measurements. A casing is for storing the tape therein in a coiled spring biased condition with the tape being extendable through a first end wall of the casing for measuring. A plurality of components are built into the casing, to help in the measuring and cutting to size of plasterboard, so that the plasterboard can be used to cover interior walls and ceilings.

Abstract: The bathing tub assembly includes a removable side wall panel which is slidably engageable with a slot along the edge of an opening through the side wall of the tub. A special seal construction for the panel edge and slot prevents leakage of the contents of the tub through the slot.

Abstract: A compensating plate for a pressure filtration cell including a generally cylindrical liquid-feeding vessel and a base removably connected to the feeding vessel by means of a flanged joint, the removable base forming a filter holder, in which an outer edge of the plate is engaged in a flange between the liquid-feeding vessel and the filter holder and, on its upper side, the outer edge of the plate is sealed against the liquid-feeding vessel by means of a circumferential seal. The compensating plate has a central opening corresponding to the size of a filter placed in the filter holder, the plate having a slight conical depression toward the said opening.