E. Cambridge Power Station progress on wharf E. Cambridge Power Station progress on wharf looking westerly E. Cambridge Station progress on wharf looking westerly E. Cambridge Power Station concrete foundations E. Cambridge Power Station e. side of coal run E. Cambridge Power Station w. side of coal run E. Cambridge Power Station, underneath coal run Brattle St. Subway Mass. Ave., North Cambridge Harvard Bridge - detail Harvard Bridge Harvard Bridge Harvard Bridge Rail on Harvard Bridge Harvard Bridge Harvard Bridge Harvard Bridge Cambridge, Lechmere Sq. Lechmere Sq. Lechmere Sq., Cambridge Lechmere Sq. Lechmere Sq., Cambridge Lechmere Sq. Lechmere Sq., Cambridge Lechmere Sq. Lechmere Sq. Lechmere Sq., Cambridge Lechmere Sq. Lechmere Sq. Lechmere Sq. Lechmere Sq. Lechmere Sq. Lechmere Sq. Lechmere Sq. Lechmere Sq., Cambridge Street, East Cambridge, Mass., February 9, 1922 Cambridge, Murray St. at Charles River Rd. Cambridge, Murray St. at Charles River Rd. Cambridge, Lechmere Sq. Lechmere Sq. Lechmere Sq., Cambridge Lechmere Sq. Lechmere Sq., Cambridge Lechmere Sq., Cambridge Lechmere Sq., Cambridge Lechmere Sq., Cambridge Cambridge St. Cambridge St. Cambridge, Charles River Rd. and Murray St. Cambridge, Murray St. at Charles River Rd. Mass. Ave. subway entrance at Harvard Sq.