Test pots Test pots Test pots Tests Edges 4+5 Edges of 15 and 16 Briguettes Bricks, side views Cement testing laboratory, Cypher St. yard Elevated posts Dewey Square, Boston, Mass. Construction sec.C excavation in front of Regal Shoe So. Construction sec.C Summer W. of Church Dorchester Tunnel buildings Dewey Sq. Sec.C Summer St. depression at High St. looking easterly Bonding tests Bonding tests, 1" diamond bars, before testing Pattern shop Cypher St. Bonding tests Bonding tests Bonding tests Bonding tests, 1" slick bar splice before testing Cypher St. Yard, s.e. end Bonding tests Bachenden Wharf Douglas fir specimens after testing Long leaf hard pine specimens after testing Mould and reinforcement for unit stairs Cypher St. yard Washington Station, details of stairs, etc. Shield for sec. E at Boston Bridge works Arrival of part of shield sec.C 6,8,12 blocks before testing; 1/2 Gabriel rods Shaft sec.E looking northerly from brass foundry Concrete compression cylinders Part of the shield, sec.E 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 Cypher St. yard looking northerly Cypher St. yard looking northerly Cypher St. yard looking northerly Cypher St. yard looking northeasterly Cypher St. yard looking east Private way off of W. First St. looking southerly Rear view of several wooden buildings and a wooden shed Rear view of several wooden buildings Rear view of several buildings with a wooden fence and gate Building at s.e. corner of W. First St. and Dorchester Ave. View of docks from the water Birdseye view of.......Warren......