Saturday, 26 May 2012

#244 In the foundry: "Presidential Eagle" patina

The bronze monument, Presidential Eagle will be installed and dedicated next month 
at the National Museum of Wildlife Art in Jackson, Wyoming.  The sculpture can also 
be seen at the Clinton Presidential Library in Little Rock, Arkansas and at Brookgreen Gardens in Murrell's Inlet, South Carolina.

Last week, the foundry in Lander, Wyoming applied a traditional ferric nitrate patina to
the sculpture.  The patina method is as follows:  The sculpture is sandblasted and the high points and edges are blue-padded and polished.  Liver of sulfur is applied and the bronze is scrubbed back, exposing the polished areas.  The bronze is then heated and ferric nitrate is applied.  (National Museum of Wildlife Art)

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