The collection contains 5, 575 film reels dating back to 1912, including some of the first Canadian motion pictures and photographic negatives.
42.
A photographic negative of the desired image is placed in contact with the emulsion and the plate is exposed to ultraviolet light.
43.
From 1950 to 1994, he copyrighted more than 90, 000 master photographic negatives, more than 40, 000 of them involving pro football.
44.
It is these images, which look like photographic negatives, that you may recall from news photos and video from the Gulf War.
45.
The series was on hiatus from 2006 to 2013, after its printer lost the archives of the photographic negatives of the graphic novels.
46.
In the early 1970s there was another " printing " of the Survey, this time on 14 " x17 " photographic negative prints.
47.
Like photographic negatives, you can still see the image but the inversion of blacks and whites lends it a kind of alien melancholy ."
48.
In addition, since photographic negatives were more portable than trays of lead type, offset printing allowed many small newspapers to share a printing site.
49.
When he accidentally marked a photographic negative with a marker and tried to wipe it off, he realized the marker ink came off very easily.
50.
The paper lost tens of thousands of photographic negatives, too, although copies of most had been sent to archives at the University of North Dakota.
