Take the clock to pieces and obtain a spring of the correct height and length for the barrel. This should be about 1/16,. in. less in height than the inside of the barrel, and when in, its wire should just be capable of slipping inside. Ease off the wire tie to the top edge, and slip the spring in, taking care that the hole for the hook is in such a position that it will slip on the barrel hook. When in as far as it will go, cut the wire tie and knock the spring quite down to the barrel bottom by taking the barrel in the hand and striking the bottom heavily on the floor or on a wooden bench. If unable to do this, hold the spring in a duster to protect the hands, and cut the wire tie. 'then commence at the outside end and coil the spring in a portion of a turn at a time, holding it tightly to prevent it slipping out Rest the barrel on a firm stool during the process and hold it with a duster for protection. The operation requires a firm wrist, as the spring must not be relaxed in the slightest degree until it is all in. A little bending with pliers when it is in will ensure the spring catching on the barrel arbor hook in the centre. When in and the cover is on, screw the square in a vice and, with the bauds, wind it up by turning the barrel to the top to see that all is right.

Plenty of oil should be applied.