REMOVE

1. Photographs
2. National Gallery of Canada
3. Hill, David Octavius
4. 1843

WHAT

1. salted paper print (2)
2. Photograph (1)
3. carbon print (1)
4. half-tone (1)

WHERE

1. European; British; Scotti … (4)
2. U.K. (Scotland) (3)
3. U.K. (Scotland): Newhaven (1)

WHO

1. Hill, David Octavius (4)
2. National Gallery of Canad … (4)

WHEN

1. 1845 (2)
2. 1847 (2)
3. c. 1843-1845 (1)
4. c. 1843-1845, printed 191 … (1)