Buildings, Dorchester Ave., side of Fire Station and Public Convenience Station Sec.E shield and hard pine Sec.E showing hard pine lining Part of Canal St. Yard Canal St. Yard fence and sidewalk Canal St. Yard fence and sidewalk Canal St. Yard fence Canal St. Yard fence Canal St. Yard Buildings - 153 Dorchester Ave., west side South Boston Billboards Dorchester Ave., corner of W. Forth St. Buildings W. Forth St. Buildings #142 + #146 Dorchester Ave. at Silver St., South Boston Buildings Dorchester Ave. at Silver St., South Boston Buildings W. forth St. n. side, corner of Dorchester Ave. Sec.E wooden lining Sec.E erector and steel forms Sec.E steel forms and travelers Sec.E concrete invert and travelers Building n.e. corner Broadway and Dorchester Ave. Sec.H construction Head work at shaft w. first Houses 20-22 Ellery St. Dukes Saloon Dorchester Ave., Andrew Sq. Space between power and block abt. Southampton St. N.e. corner of Ellery and Southampton St. Yard in rear of 22 Ellery St. rears 20-20 Dexter St. looking north Rears of houses #14-16-18-20 Dexter looking north Sec.H construction conditions, front of #543-549 Sec.H temporary sidewalk in front of 549 Dorchester Ave. looking north Elements used in electrolysis tests on metal preservative paints Apparatus for electroysis test on metal preservative paints Bonding tests method of testing specimens Bonding tests method of testing specimens Test at Cypher St. yard electrolysis on Panels Bonding tests monotype bar from tested block Sec.G excavating the incline Store 497 Southampton St. Part of north abutment, Dorchester Ave. bridge over R.R. Bonding tests Bonding tests Bonding tests Berger Mfg. Co, Foundry St. Berger Mfg. Co, Foundry St. Sec.G sewer sta.82 + 80, looking northerly G sewer reinforcement Boston Sash + Door Co., Dorchester Ave. side Boston Sash + Door Co., end view Sec.E West Heasing; south of shaft; looking south under 14 lbs. air pressure South Station under lobby toward escalator