Glass plate negatives

Black and white photograph of young boys with a few carrying banners showing religious images in two lines either side of 3 altar servers, two of whom are carrying candlesticks and the third a pole which may be the base of a cross
Back in March 2018 Lorraine Finch, a photograph conservator, gave the archive team some valuable training on identifying different photographic processes and how to care for the different types of photographic material. We were aware that among the various photographic formats held in the Jesuits in Britain Archives there was a collection of glass plate negatives.Before cellulose nitrate film was invented in 1903, photographic emulsions were made on glass supports, more typically known as glass...