We started our discussion regarding old photographs (https://heritagepreservationatelier.com/2017/05/20/historic-photographs/https://heritagepreservationatelier.com/2017/05/20/historic-photographs/) with an example of a silver albumin print. In this blog, we’ll see some other examples from the same collection,but all different techniques of photo-prints.

This photograph has a very distinctly visible, low contrast and fading. It seems to be a salted paper print

Top and right edges have a distinct silvering

Silvering and yellowing

High gloss and purplish tinge

Good contrast, no fading and no silvering. This is a definite Platinum print as confirmed by the ghost image it formed on the back of another photograph which was in contact with this one. Another confirmation test is in the video attached

A yellow-brown “ghost” image on paper or board that has been in direct contact with the platinum image.
2014 and 2015 were a bit busy years and hence i could not record all the work that we did. We did try to record more casual briefings about the work we were doing. Once such video clip 0f a December afternoon of 2014 is here: