Chemical Composition: ICP-MS/AAA data from sample, Leaded Bronze:
Cu, 86.53; Sn, 9.12; Pb, 3.58; Zn, 0.013; Fe, 0.03; Ni, 0.03; Ag, 0.06; Sb, 0.06; As, 0.56; Bi, less than 0.025; Co, 0.011; Au, less than 0.01; Cd, less than 0.001
J. Riederer
Technical Observations: The handle was originally cast in one piece by the lost-wax process and is mostly hollow. The back surface of the handle is not conformal with the outer one, which points to the use of a premade core and, by association, to the use of a direct lost-wax casting process.
It is impossible to tell to what extent the surface detail was refined in the wax or reworked in the metal, given that the surface detail is quite worn overall—especially on the vertical element for gripping—although the main decorative elements are still clearly recognizable.
Rivet holes, which are framed by the lion’s front legs and pierce through the rams’ bodies, were created in the wax stage. The rivets are now missing, but a small piece of metal between the paws of the top right lion appears, upon closer examination, to be an additional rivet; the outline of another hole of this other rivet, now filled with metal, can be seen from the back alongside the other hole. Another rivet, which helped to affix the handle to the hydria, is still in place in the neck of the gorgon at the bottom of the handle. The end that was hammered flat on the inside still holds a fragment of the vessel in place.
The underside of the top of the handle originally extended into two rounded flanges, one of which is now missing. The remaining flange is also pierced by a hole for a rivet.
The patina is a mottled dark brown, green, and blue with some lighter brown, and there are larger areas with reddish material both on the front and back sides of the vertical element of the handle.
Some dark gray and tan core material remains in the handle and the backs of the lions’ and rams’ bodies. The white and red layered material that protrudes from the bottom of the vertical handle could be mineralized lead.
The handle is cracked across the lower part of the vertical element and repaired by some invisible mechanical means on the inside of the handle.
Francesca G. Bewer (submitted 2012)