To find the water pipes leaking, frozen, or perhaps burst, is no rare occnrrence ! during the winter in the modern much I plumbed houses. Nothing more thoroughly demoralies the domestic aachinery than such unlucky happenings. Floors are wet, ceilings leak, the water is shut ofE and the whole household is at a standstill, waiting for that vexations wiH-o'-the-wisp, the plmnber. Whenever the leak ia visible the housewife can cure the UI herself, at least temporarily.