The "Paris Scientific Review" has published, for the benefit of the industrious workers in metals, the best receipts for composing all the various factitious metals used in the arts; the following are a few: -

Statuary Bronze. - Dareet has discovered that this is composed of copper, 91.4; zinc, 5.5; lead, 1.7; tin, 1.1.

Bronze for Cannon of Large Calibre. - Copper, 90; tin, 7.

Pinchbeck. - Copper, 5; zinc, 1.

Bronze From Cannon of Small Calibre. - Copper, 93; Tin, 7

Bronze for Medals.- Copper, 100; tin, 8.

Alloy for Cymbals. - Copper, 80; tin, 20.

Metal for the Mirrors of Reflecting Telescopes. - Copper, 100; tin, 50.

White Argentan. - Copper, 8; nickel, 3; zinc, 35; this beautiful composition is in imitation of silver.

Chinese Silver

M. Mairer discovered the following proportions: -Silver,2.5; copper, 65.24; zinc, L9.52: nickel, 13; cobalt of iron, 0.12.

Tutenag;.-Copper, 8; nickel, 3; zinc, 5.

Printing Characters. - Lead, 4; antimony, 1. For stereotype plates-Lead, 9; antimony, 2; bismuth, 2.