This city's Cable Car Museum has one from fhe first company, the Clay Street Hill Railroad
The dummy and 
car were uncoupled and each was moved onto one of the turntables, where it... [DOC] [TLE] Historical Cable Cars of San Francisco - Cable Car Museum [PAR] Clay Street Hill Railroad train illustrates what open-grip car (dummy) No.8 with 
trailer No.1 would have looked like running on Clay Street.