US&S Artwork based on images from Mike Burgett of Control Train Components. These files were contributed by Dick Bronson.
| os-r-ss-east-closed.gif | |
| os-r-ss-east-thrown.gif | |
| os-ss-r-east-inconsistent.gif | |
| os-ss-r-east-unknown.gif | |
| ss-r-east.gif | |
| README | (download) |