ADELPHIA, Del 1868 – 1917). Labarge and Adelphia Company. Circa 1910. Five photographic vignettes of Del Adelphia performing effects tricks with birds, rabbits, and apparatus. 27 ¾ x 20 ¾". Linen backed. Uncommon. Del Adelphia (or his son, Jack) were reportedly responsible for teaching Harry Blackstone, Sr. the Vanishing Birdcage, an effect which would become one of Blackstone's most famous. The upper three photographs in this poster show Del performing the feat.