35mm Slide.
S50 35mm Slide British Railways No. 43106 2-6-0
S50 35mm Slide LMS No. 8233 2-8-0
S50 35mm Slide LMS 2-6-4T No. 42616
S50 35mm Slide LMS 4-6-0 No. 45562
S50 35mm Slide GWR No. 6106 2-6-2T
S50 35mm Slide GWR 2-6-0 No. 6363
