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Shield for tunnel under Beacon HIll for Cambridge connection

1 gelatin dry plate glass negative

Shield for tunnel under Beacon Hill for Cambridge Connection

1 gelatin dry plate glass negative

Shield for tunnel under Beacon Hill for Cambridge Connection

1 gelatin dry plate glass negative

Shield for tunnel under Beacon Hill for Cambridge Connection

1 gelatin dry plate glass negative

Shield for tunnel under Beacon Hill for Cambridge Connection

1 gelatin dry plate glass negative

Shield for tunnel under Beacon Hill for Cambridge Connection

1 gelatin dry plate glass negative

Shield for tunnel under Beacon Hill for Cambridge Connection

1 gelatin dry plate glass negative

Shield to be used for tunnel under Beacon Hill for Cambridge Connection

1 gelatin dry plate glass negative

Part of shield to be used for tunnel under Beacon Hill

1 gelatin dry plate glass negative

Part of shield to be used for tunnel under Beacon Hill

1 gelatin dry plate glass negative

Looking south up Grove St. from Phillips St.

1 gelatin dry plate glass negative

Southeast corner of yard in rear of #50 Phillips St.

1 gelatin dry plate glass negative

Part of shield for construction of Tunnel under Beacon Hill

1 gelatin dry plate glass negative

Part of northerly side wall of single arch section of tunnel under Beacon H ill near Station 3+85

1 gelatin dry plate glass negative

Beginning of single arch section of tunnel under Beacon Hill station 3+85

1 gelatin dry plate glass negative

Unfinished northerly side wall of single arch section of tunnel under Beacon Hill

1 gelatin dry plate glass negative

Surface occupation at Ss.w. corner of Phillips and Grove St.

1 gelatin dry plate glass negative

Part of shield to be used in construction of tunnel under Beacon Hill

1 gelatin dry plate glass negative

Part of shield delivered at Phillips and Grove Sts.

1 gelatin dry plate glass negative

Part of shield to be used in construction of tunnel under Beacon Hill

1 gelatin dry plate glass negative

Looking northwesterly from shaft in Phillips and Grove Sts.

1 gelatin dry plate glass negative

Looking northwesterly from shaft in Phillips and Grove Sts.

1 gelatin dry plate glass negative

Two arch section under intersection of Phillips and Grove Sts.

1 gelatin dry plate glass negative

Surface occupation Phillips St. looking east towards Grove St.

1 gelatin dry plate glass negative

Side wall of tunnel in light well between #13 and #15 Grove St.

1 gelatin dry plate glass negative

Light well between #13 and #15 Grove St. showing side wall of tunnel

1 gelatin dry plate glass negative

Intersection of Grove and Phillips Sts. looking north

1 gelatin dry plate glass negative

Intersection of Grove and Phillips Sts. looking north

1 gelatin dry plate glass negative

Roof of tunnel in rear of #61 and #63 Phillips St., looking easterly

1 gelatin dry plate glass negative

Roof of tunnel in rear of #61 and #63 Phillips St., looking easterly

1 gelatin dry plate glass negative

Roof of tunnel in rear of #61 and #63 Phillips St., looking southeasterly

1 gelatin dry plate glass negative

Roof tunnel in rear of #13 and #15 Grove St.

1 gelatin dry plate glass negative

Brick building with man

1 gelatin dry plate glass negative

Entrance to tunnel under Beacon Hill at rear of #13-#15 Grove St.

1 gelatin dry plate glass negative

Entrance to tunnel under Beacon Hill at rear of #13-#15 Grove St.

1 gelatin dry plate glass negative

South side wall of tunnel across Grove Place looking south

1 gelatin dry plate glass negative

Tracks and hoppers on bridge over Phillips St.

1 gelatin dry plate glass negative

Tracks and hoppers on bridge over Phillips St.

1 gelatin dry plate glass negative

Intersection of Phillips and Grove St. looking east along Phillips St.

1 gelatin dry plate glass negative

View from under raised passage way

1 gelatin dry plate glass negative

Tunnel under Beacon Hill for Cambridge Connection sta.5+20, shield

1 gelatin dry plate glass negative

Beacon Hill tunnel upper deck near shield

1 gelatin dry plate glass negative

Beacon Hill tunnel lower deck towards shield

1 gelatin dry plate glass negative

Beacon Hill tunnel shield

1 gelatin dry plate glass negative

Beacon Hill tunnel upper deck

1 gelatin dry plate glass negative

Beacon Hill tunnel lower deck torards shield

1 gelatin dry plate glass negative

Inside a tunnel lit with electric light and group of men in the background

1 gelatin dry plate glass negative

Shield at sta.8+41

1 gelatin dry plate glass negative

Stairway from north-bound platform, Park St. Station

1 gelatin dry plate glass negative

Stairway from south-bound platform, Park St. Station

1 gelatin dry plate glass negative