Historical reference: Do not rely on this information. It is very old. About this collection
Fusible Metal is an alloy of 8 parts bismuth, 4 parts tin, and 4 parts lead. It melts at 94° C, i.e. a temperature lower than the boiling-point of water. By the addition of a little cadmium a product (Wood's alloy) is obtained which melts at a still lower temperature - about 63° C.