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1. Winsor Dam Outlet Works, view inside of 48" pipe showing cavitation in Babbitt seat of 48" Dow valve and cast iron pipe below...

2. Winsor Dam Outlet Works, view inside of 48" pipe showing close up of cavitation at same location as photo #2669, Quabbin...

3. Winsor Dam Outlet Works, view inside of 48" pipe showing close-up of cavitation at same location as shown in photo #2671,...

4. Winsor Dam Outlet Works, view inside of 48" pipe showing stainless steel plate and rebabbitted seat of 48" Dow valve, Quabbin...

5. Winsor Dam Outlet Works, view looking down on 48" Dow valve after repairs, Quabbin Reservoir, Mass., Aug. 21, 1946

6. Interior view of Outlet Building, Shaft #1, showing relief valves and shaft cap, looking southwesterly, West Boylston, Mass.,...

7. Interior view of Outlet Building, Shaft #1, showing relief valves and stop shutters, looking northwesterly, West Boylston,...

8. Interior view of Outlet Building, Shaft #1, showing shaft cap, looking southeasterly, West Boylston, Mass., Oct. 21, 1936

9. Outlet Channel Shaft #1, south wall of Outlet Building, showing existing concrete structure below shaft cap, West Boylston,...

10. Outlet Channel Shaft #1, south wall of Outlet Building, showing shaft cap, relief valves and dome, West Boylston, Mass., Oct....

11. Outlet Channel Shaft #1, Station 0+85, looking southwest at 72" discharge conduit, showing leakage through 72" valve and...

12. Outlet Channel Shaft #1, Station 0+85, looking southwest, at 72" discharge conduit, showing recently poured concrete apron,...

13. Outlet Works Shaft #1, looking southwest, into 72" discharge conduit, showing first valve closed, West Boylston, Mass., Nov....

14. Outlet Works Shaft #1, looking southwest, into 72" discharge conduit, showing first valve open and second valve closed, West...

15. Winsor Dam Outlet Works, view showing log which was caught in 36" pipe between 24" line and west 36" gate valve, Quabbin...

16. Ware River Intake Works, Shaft #8, view inside 72" intake pipe showing cavitation which is taking place on south side of pipe...

17. Distribution Department, Chestnut Hill High Service Pumping Station, 48-inch check valve, Brighton, Mass., Dec. 31, 1898

18. Distribution Department, Chestnut Hill Low Service Pumping Station, 36-inch hydraulic lift valve, Brighton, Mass., Dec. 23, 1898

19. Metropolitan Water Works Miscellaneous, Coffin Valve Company, Mass., ca. 1900-1910

20. Metropolitan Water Works Miscellaneous, Coffin Valve Company, valve, Mass., ca. 1900-1910