Slide showing engraving of 'Megalosaurus Bucklandi' Black and white engraving showing scene with two carnivorous dinosaurs Signed in lower right of image 'J. Smith'. Small sticker attached with the name and address of 'Thos. J. Walls, 47 Lothian St., Edinburgh' on upper left corner. Thomas J. Walls was in business at 47 Lothian St. as a lanternist between 1902 - 1906, at least, and was a dealer of photographic supplies. Sticker marked 'JAT' on upper right corner of slide Number '14' marked on tape on top of slide Early 20th century