Progress tearing down buildings cor. Bay St. and Mass Av.

Boston "El" Car 0110, Rear view of Signal of Tower F Car, Stop Valve, Trip etc.

Bay St. Subway Looking East on Summer St. from Gilchrist

Castle St. Y. and Washington St. Tunnel Steel Structure

Humphreys St. Looking Northerly from Dudley St.

Bldgs. on E. Side of Dorchester Ave. from W. Broadway South

Bldgs. 350-352 Newbury St.

41-45 Union St.

City Sq. Station from Roof of Waverly House

Old South Church Tower, Berkeley South Face

Looking Sly. on Bodwell St. from Bird St.

Car 5675

General Progress View South Incline Washington St. Tunnel