Excavating shaft at Mass. Av. and Bay St.

Div. 1 Car #6397

D.R.T. - Sec. Nly view from Beale St.

Ropes and Check Valve on Air Hoist Armature Room, Albany St. Machinery Shop

Union Sq. Grade Crossing with West Side of Webster Ave. Opp. Union Glass Works

Bldgs. 344-342 Newbury St.

Emerson Rail Bender

Washington St. near Bragdon St. Looking S. Shows Staging for Rivetting

Dudley St. Station

Essex Bldg. Cor. of Essex St. & Atlantic Ave.

Chart BERy Pedestal Casting A

Progress Steel Structure Erection Washington St. S. of Forest Hills St.

Charles River Progress #4