Abstract: A dispenser for introducing additive into a liquid stream comprises a housing unit having a flow-through passage forming a pathway for the liquid stream. A seating on the housing is provided for receiving a receptacle. The seating includes a reservoir for holding the additive. A conduit extends between the seating and the flow-through passage through which the additive can flow. A valve is also provided for selectively controlling the flow of the additive in the conduit.

Abstract: A vise comprises a base member, a fixed end member having a fixed and jaw thereon, and a movable end member having a movable end jaw thereon. The movable end jaw and the fixed end jaw define a space therebetween which can be increased or decreased by movement of the movable end member away from or towards the fixed end member. Fastening means are provided for respectively connecting the fixed end jaw to the fixed end member and for connecting the movable end jaw to the movable end member. The fastening means have receiving means whereby an attachment jaw can be releasably connected to at least one of the fixed end jaw and the movable end jaw.