Click here for Type A: for harpsichords, virginals and clavichords with a scaling of up to 37cm (14.5")
Click here for Type B: for fortepianos and square pianos up to c. 1820.
Click here for Type C: for pianos from c. 1820 to c. 1840; a hard-drawn iron with a carbon content.
Type D: this wire is of the same material as Type C, but in a harder-drawn state suitable for instruments of the 1840's.
AVERAGE DENSITY: 7769 kg/m³