| # | Reference code | Title | Dates | Access restrictions |
|---|---|---|---|---|
| 1 | 2005.001.03.1.01.010.1 | Star Model "D" 4-Inch Alarm Check Valve | December 18, 1975 | Open. Records are available for consultation without restriction. |
| 2 | 2005.001.03.1.01.010.2 | Star model "D" 6 & 8-inch alarm check valve | December 9, 1975 | Open. Records are available for consultation without restriction. |