Excavating shaft at Mass. Av. and Bay St.

Union Sq. Grade Crossing E. Side of Concord Ave. at Prospect St.

Bldgs, West Fourth St. (North Street)

Boston Subway, Tremont St. near School St. Design

E.B.T - Alterations - Exc. at 4+40+/- Lewis St.

Warren Bridge

Brattle St. General Construction View

Footrest in Armature Shop in Albany St. Shops

Salvation Army Bldg. Pine St. and Oak St.

D.R.T. - Sec. Wly. View Toward Milton R.R. Station

Sullivan Sq. Shop Axle Testing Machine

Charles River Bridge at #4 and #3

George St. Yard