Associated Brass Products was based in California, USA, founded in 1959 by John Anderson (ex Kemtron), Bruce Bechtold and Harry Parker. Associated Brass owned a foundry that produced castings for model railroads, under the Cal-Scale name. Cal-Scale was sold to PA based Bowser Manufacturing Co in 1985.
 
Cal-Scale 0 scale brass PRR Keystone  | 

 
Cal-Scale 0 scale brass Marker Lights  | 

 
Cal-Scale 0 scale 3015 air signal hose  | 

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