Name/Title:
Patent Model - Improvement in Circuit-Closers for Electric Railway-Signals
Maker and role:
David Rousseau, Patentee, David Rousseau, Assignor, William Smith, Patentee, William Smith, Assignor, William Smith, Assignee, Samuel Samuels, Assignee
Production date:
Feb 13 1877
Object number:
2015.14.2329a,b
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