AN EXACTING TEST.

. The other day we carried out an interesting experiment with the object of proving a claim put forward by the makers of Jubilee ” worm-drive ” clips. We took a piece of hose with an inside diameter of 2iins. and fitted it to the bottom water joint of a radiator which has 2 in. water pipe, and using a pair of Jubilee clips, tightened them down hard with a screwdriver. Somewhat to our surprise the joint proved perfectly watertight at each end, and although it was done purely as an experiment, we have been too lazy to refit the correct size hose, which we had expected to be necessary for making a sound joint.