Special shoutout to the Wheatstone Wind Fiddle (h/t @mcmwright.bsky.social), which is what happens when a violin and a concertina get very friendly indeed.

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Hello Roger, you can find direct contact details on www.stereoscopyday.com

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Denis Pellerin demonstrates that institutions and collectors should embrace the risks that may exist, highlighting a wide variety of display methods to safely share these incredible images. Nothing can draw a person into an image and hold them there in the way a stereoscopic image can.

Kim and Robin explore how vibrant green pigments in the card mounts, often used to enhance the appeal of stereographs, were frequently made with arsenic-based compounds such as Paris green. They cover identification, scope of the problem, potential risks and practical safety guidance.

Thanks to Peter Babington, from St. Mary-le-Strand Church, for having us in this remarkable venue, to Sir Brian May for making all this possible, and to my colleague Rebecca Sharpe for dealing so brilliantly with all the admin, the technical side of the talks, and the Stereoscopy Day website.

Thanks to the speakers and moderators of the online talk on June 20th (Kim Bell, Robin Canham, Ken Herdern and Brendan Edwards), to the persons who came especially to London to attend the in-person talk, to those who stayed up rather late to watch the online one on June 21st.