External horn Edison phonographs were available with the Diamond B reproducer. The records required a special sapphire stylus and a vertically responsive reproducer for playback. I adjusted the reproducer, and the machine reproduced it perfectly. Several 55/35mm projectors and at least one 55/35mm reproducer are in the hands of collectors. English has an early background as an art reproducer. They were equipped with the Diamond C reproducer. Her sole function is to serve as the reproducer. They collaborate on the Reproducer, a machine that can exactly duplicate physical objects. Other features included an image reproducer and collapsible roller skates. One of the foundresses eventually acquires dominance over the other and is the sole reproducer. A special reproducer and modified feed screw mechanism were required to play them. To play these first cylinders, the model B reproducer must be used. The IBM 519 Card Reproducer could determine whether a deck of punched cards were equivalent.