Browse Items (7 total)

Invitation to the 125th Anniversary Celebration of the Art Club of Champaign.

The Block Collection arrives at the Champaign County Historical Archives in December 2014.

Glass plates that are not enclosed are in danger of being scratched or
having the emulsion pulled away from the glass, and portions of the image being lost. Four flap
envelopes are the preferred enclosure method for glass plate negatives. These…

Glass plate negative on light box fabricated by Block to
more easily view the negatives. The light box has 12 individually wired light bulbs, so that Block
could precisely control the backlight.

Unless they are broken, glass plate negatives should be
stored vertically in a snug fitting box. They should not be able to shift or slide in the boxes. We have
lined our box with volara polyethylene foam (an archival quality non-abrasive foam) for…

A photo of a sitting man. "Tintype" by tungstensun is licensed under CC BY-ND 2.0.

"Vintage Camera" by PMillera4 is licensed with CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/