There is a striking appeal of early photography for historical research.
As early as mid 19th century glass sheet negatives were a highly useful carrier medium, on which negatives of people and places were exposed. Due to the consistency of this storage medium insights about our ancestors’ living environment since 1850 are still available.
Digitalization of these rare items as high level picture files are therefore of high value. On the one hand these unique specimens are saved in the long run and on the other hand they can be processed and copies of photos can be easily made.