41. Boston Elevated Railway. Kendall Square. Incline and portal Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: 1912 Institution: Boston Public Library
42. Boston, Massachusetts. East Boston Tunnel. Deepest portion 90 feet beneath mean high water Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1903] Institution: Boston Public Library
43. Boston, Massachusetts. East Boston Tunnel. Trough for ventilating duct showing slant in walls of elevator shaft Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1903] Institution: Boston Public Library
44. Slip switches in subway near Mason Street Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1897] Institution: Boston Public Library
45. Subway entrance, Charles and Cambridge Streets Creator: Seaford, John Albert Format: Drawings/Illustrations Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1912–1914] Institution: Boston Public Library
46. Trial run from Park Street Station Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: 1897 Institution: Boston Public Library
47. Across to Bay State Road & Charles River Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1900] Institution: Boston Public Library
48. Boston Elevated Railroad. Eggleston Square transformer Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1910] Institution: Boston Public Library
49. Boston Elevated Railroad. South Boston Power Station Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: 1912 Institution: Boston Public Library
50. Boston Elevated Railway. Cambridge power hous [sic] Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: October 26, 1909 Institution: Boston Public Library
51. Boston Elevated Railway. Central Power Station Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: 1909 Institution: Boston Public Library
52. Boston Elevated Railway. Coal handling plant Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: 1912 Institution: Boston Public Library
53. Boston Elevated Railway. Mystic River drawbridge Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1915] Institution: Boston Public Library
54. Boston Elevated Railway. Power house Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1912] Institution: Boston Public Library
55. Boston Elevated Railway. Power house Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1911] Institution: Boston Public Library
56. Boston Elevated Railway. Power house Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1912–1915] Institution: Boston Public Library
57. Boston Elevated Railway. Power plant Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1912–1915] Institution: Boston Public Library
58. Boston, Mass. Washington St., about 1870 Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1886–1888] Institution: Boston Public Library
59. Boston, Massachusetts. Scollay Square, looking west. Scollay Building in centre Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1855–1870] Institution: Boston Public Library
60. Boston palace car Format: Photographs Collection: Boston Pictorial Archive (Collection of Distinction) Date: [ca. 1900] Institution: Boston Public Library