Gramophone record storage and protection cassette - prevents damage to grooves and has rigid base plate and rigid cover plate supporting record at edge

摘要: A cassette is for storage and protection of a gramophone record against damage to grooves. It has rigid base plate cover connected by means hinge. The inside the provided with circular recess which corresponds size record. boundary edge defined step surrounds it. central area accommodates platform. platform corresponding plate. diameter second that determined step.