1. 
   Bath Metal
   A cheap bronze made with 21 parts copper and 5 parts zinc. The same as pinchbeck.
   Found op http://www.diracdelta.co.uk/science/source/b/a/bath%20metal/source.html
   
   
2. 
   Bath metal
   An inexpensive bronze-like alloy used by some independent 18thC coiners (ass opposed to the Royal Mint) and from the late 18thC for small bozes and buttons.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   bath-metal
   An inexpensive bronze-like alloy used by some independent 18thC coiners (ass opposed to the Royal Mint) and from the late 18thC for small bozes and buttons.
   Found op http://www.antique-marks.com/antique-terms-b.html
   
   

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