Alloys which fulfill the requirements of the medalist, and capable, therefore, of reproducing all details, are the following:

I     II

Tin.........<...... 3      6 parts

Lead............... 13      8 "

Bismuth............ 6    14 "

III

A soft alloy suitable to take impressions of woodcuts, coins, metals, engravings, etc., and which must melt at a low degree of heat, is made out of bismuth, 3 parts; tin, 1.5 parts; lead, 2.5 parts; and worn-out type, 1 part.