Video: Developing 120-year-old glass negatives found inside a time capsule using cyanotype

Photographer, YouTuber and self-proclaimed weird lens aficionado Mathieu Stern is back at it again, this time with an interesting new video showing how he developed a number of 120-year-old photographs he found hidden within a time capsule in a family home. In speaking with DPReview, Mathieu says he 'found a box dating from around 1900 judging by the objects and the technic of the photos found inside.' To help bring the negatives to life, Mathieu decided to develop the images using a time-approp...