REMOVE

1. silver gelatin print
2. Photographs
3. Louisiana State Museum
4. Teunisson, John N.
5. Conveyor belts
6. Teunisson, John N.

WHAT

1. silver gelatin print (1)

WHERE

1. North American; American (1)

WHO

1. Conveyor belts (1)
2. Louisiana State Museum (1)
3. Teunisson, John N. (1)

WHEN

1. 1900 (1)
2. 1949 (1)
3. First half of the twentie … (1)