Browsing Executive Office for Administration and Finance by Author "Hurd, W. P."

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Browsing Executive Office for Administration and Finance by Author

Browsing Executive Office for Administration and Finance by Author "Hurd, W. P."

Now showing items 1-15 of 15

Hoosac Tunnel--bench carriages, west end workings

Hurd, W. P. ()

File:
ocn496812593.jpg (13.63Mb)
Hoosac Tunnel--bench carriages, workings from central shaft

Hurd, W. P. ()

File:
ocn496813773.jpg (15.40Mb)
Hoosac Tunnel--central shaft details of 11 in. pump, system b

Hurd, W. P. ()

File:
ocn496812611.jpg (14.65Mb)
Hoosac Tunnel--central shaft, details of pit work, pumping system b

Hurd, W. P. ()

File:
ocn496812613.jpg (14.03Mb)
Hoosac Tunnel--central shaft, drawing lift pump

Hurd, W. P. ()

File:
ocn496810822.jpg (14.17Mb)
Hoosac Tunnel--central shaft, driving gear of 7 in. pump, system c

Hurd, W. P. ()

File:
ocn496810829.jpg (14.14Mb)
Hoosac Tunnel--central shaft, elevation of pump gearing of system b

Hurd, W. P. ()

File:
ocn496813847.jpg (14.25Mb)
Hoosac Tunnel--central shaft, elevations of the four pumps of system c

Hurd, W. P. ()

File:
ocn496813901.jpg (14.19Mb)
Hoosac Tunnel--central shaft, ground plans of buildings and machinery

Hurd, W. P. ()

File:
ocn496813787.jpg (14.87Mb)
Hoosac Tunnel--central shaft, plan of pump gearing, system b

Hurd, W. P. ()

File:
ocn496812605.jpg (14.16Mb)
Hoosac Tunnel--central shaft, shaft house and machinery

Hurd, W. P. ()

File:
ocn496813806.jpg (14.93Mb)
Hoosac Tunnel--plans of the timbering

Hurd, W. P. ()

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ocn496810803.jpg (16.13Mb)
Hoosac Tunnel west portal: masonry complete

Hurd, W. P. ()

File:
ocn496812583.jpg (18.42Mb)
Hoosac Tunnel west portal: masonry incomplete

Hurd, W. P. ()

File:
ocn496812587.jpg (17.56Mb)
Various apparatus for alignment used in or near the central shaft

Hurd, W. P. ()

File:
ocn496810837.jpg (14.82Mb)

Now showing items 1-15 of 15