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To solder with hard solder, esp. with an alloy of copper and zinc; as, to braze the seams of a copper pipe.

The hard solders are the spelter and the silver solders.

In this I placed my manuscript; and then I took the box to a tinsmith and had the top fastened on with hard solder.

In this case it must be remembered in making hard solder by the second receipt that standard silver contains about one-twelfth of its weight of copper — exactly 18 parts copper to 220 silver.

For a white hard solder use brass, 12 parts; zinc, 1 part; and tin, 2 parts. p.