Two electrical insulator fragments; Crown Lynn Technical Ceramics Limited; 1940-1980; 2009.1.1964.1-2
Two electrical insulator fragments; Crown Lynn Technical Ceramics Limited; 1940-1980; 2009.1.1964.1-2
Two electrical insulator fragments; Crown Lynn Technical Ceramics Limited; 1940-1980; 2009.1.1964.1-2