Photo of Flap Envelope
Title
Photo of Flap Envelope
Subject
Block family
Glass negatives
Photography -- Negatives.
Description
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 envelopes completely
enclose the plates and can be opened without the plates rubbing against the enclosure.
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 envelopes completely
enclose the plates and can be opened without the plates rubbing against the enclosure.
Source
Everett C. Block Collection, 1902-2000, bulk 1902-1910, Champaign County Historical Archives at The Urbana Free Library
Publisher
Champaign County Historical Archives
Date
Undated
Rights
All images are provided for personal and educational use. Users planning to reproduce/publish images in books, articles, exhibits, videos, electronic transmission or other media must request permission by emailing archives@urbanafree.org.
Format
photograph
Files
Collection
Citation
“Photo of Flap Envelope,” Champaign County Historical Archives, accessed April 26, 2024, https://urbanafree.omeka.net/items/show/316.