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11. Ninth Class of the Bureau of Instruction

12. United States Veterans Hospital

13. Allegheny Shops, New Engine House

14. Pittsburgh playground directors (4)

15. Brookline School Woodshop Class

17. Corliss Engine on Erecting Floor

18. Exterior of the Mesta with Traveling Cranes

19. Construction at Mesta Machine Company

20. Mesta Machine Company Vertical Bar Shear