Displaying: 75501 - 75550 of 224,543

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Test plates

1 gelatin dry plate glass negative

Test plates

1 gelatin dry plate glass negative

Test plates

1 gelatin dry plate glass negative

Concrete tests

1 gelatin dry plate glass negative

Test pots

1 gelatin dry plate glass negative

Test pots

1 gelatin dry plate glass negative

Test pots

1 gelatin dry plate glass negative

Tests

1 gelatin dry plate glass negative

Edges 4+5

1 gelatin dry plate glass negative

Edges of 15 and 16

1 gelatin dry plate glass negative

Briguettes

1 gelatin dry plate glass negative

Bricks, side views

1 gelatin dry plate glass negative

Cement testing laboratory, Cypher St. yard

1 gelatin dry plate glass negative

Elevated posts Dewey Square, Boston, Mass.

Commercial street traffic travels below the elevated tracks on Atlantic Avenue.

Construction sec.C excavation in front of Regal Shoe So.

1 gelatin dry plate glass negative

Construction sec.C Summer W. of Church

1 gelatin dry plate glass negative

Dorchester Tunnel buildings Dewey Sq.

The United Cigar Stores Company store is in the center of the image. Cobb Hersey and Company, grocers and importers, can be seen on the right at 635 Atlantic Avenue. Paperboys are working the sidewalk in front of the stores.

Sec.C Summer St. depression at High St. looking easterly

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests, 1" diamond bars, before testing

1 gelatin dry plate glass negative

Pattern shop Cypher St.

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bonding tests, 1" slick bar splice before testing

1 gelatin dry plate glass negative

Cypher St. Yard, s.e. end

1 gelatin dry plate glass negative

Bonding tests

1 gelatin dry plate glass negative

Bachenden Wharf

1 gelatin dry plate glass negative

Douglas fir specimens after testing

1 gelatin dry plate glass negative

Long leaf hard pine specimens after testing

1 gelatin dry plate glass negative

Mould and reinforcement for unit stairs Cypher St. yard

1 gelatin dry plate glass negative

Washington Station, details of stairs, etc.

1 gelatin dry plate glass negative

Shield for sec. E at Boston Bridge works

1 gelatin dry plate glass negative

Arrival of part of shield sec.C

1 gelatin dry plate glass negative

Buildings 467-455 Dorchester Ave.

1 gelatin dry plate glass negative

Buildings 477-473 Dorchester Ave.

1 gelatin dry plate glass negative