All projects and events for ring
| # | Completed | Tower | Description | Contractor |
|---|---|---|---|---|
| 1 | 1912 | Watertown, Massachusetts, United States of America, Perkins School for the Blind | Ring installed | Mears & Stainbank |
| # | Completed | Tower | Description | Contractor |
|---|---|---|---|---|
| 1 | 1912 | Watertown, Massachusetts, United States of America, Perkins School for the Blind | Ring installed | Mears & Stainbank |