Ranch: BLOCK TIN
Block tin must as say minimum of 98%tin, and to be free of liquids, solder, and brass connections, pewter, pumps, pot pieces, and dirt.
Ranks: PEWTER
Shall consist of tableware and soda-fountain boxes but should contain a minimum of 84% tin. Siphon tops to be accounted for separately. Material must be free of brass, zinc, and other foreign metals.
Raves: HIGH TIN BASE BABBITT
Shall contain a minimum of 78%tin and be free of brassy or zincy metals.
Roses: MIXED COMMON BABBITT
Shall consist of lead base bearing metal containing not less than 8% tin, free from Allens metal, ornamental, antimonial and type metal. Must be free from all zinc and excessive copper in the alloy. |
