Info from the newsletter from Silverprint: Tetenal and Silverprint celebrate 175 years of photography with an open day on Thursday 8th May. Tetenal will be presenting B&W film processing, toning and C41 processing demos/workshops, with discounts on Tetenal products throughout the day. Sign up on our Eventbrite page. --- Tetenal and Silverprint celebrate 175 years of photography with an open day. Tetenal will be doing three separate presentations for the day: Processing B&W film for scanning purposed with comparison of different developers. Toning demo/workshop using a variety of toners. Participants may bring their own 8x10" prints to tone. C41 colour film processing demo using Jobo tanks. There will be special Tetenal discounts for the whole day.