Magnetic drum memory system

Claim 1

A MAGNETIC MEMORY COMPRISING; A ROTATABLE MAGNETIC DRUM; FIRST MEANS FOR CONTINUOUSLY ROTATING SAID DRUM; A ROTATABLE LEVEL WIND SHAFT HAVING AN ENDLES WORM THEREON POSITIONED ADJACENT SAID DRUM AND HAVING ITS AXIS SUBSTANTIALLY PARALLEL WITH THE LONGITUDINAL AXIS OF SAID DRUM; A LEVEL WIND SHAFT FOLLOWER COUPLED TO SAID LEVEL WIND SHAFT AND ENGAGING SAID ENDLESS WORM TO BE OPERATIVE IN RESPONSE TO ROTATION OF SAID LEVEL WIND SHAFT FOR MOVING RECIPROCATINGLY THEREALONG IN THE DIMENSION OF THE AXIS OF SHAFT; A MAGNETIC WRITING TRANSDUCER POSITIONED CONTIGUOUS WITH THE SURFACE OF SAID DRUM AND COUPLED TO SAID LEVEL WIND SHAFT FOLLOWER FOR MOVING THEREWITH; SECOND MEANS FOR APPLYING TO SAID TRANSDUCER ELECTRICAL SIGNALS TO BE RECORDED; AND THIRD MEANS INTERCOUPLING SAID LEVEL WIND SHAFT WITH SAID FIRST MEANS TO ROTATE SAID LEVEL WIND SHAFT IN SYNCHRONIZATION WITH THE ROTATION OF SAID DRUM WHEREBY SAID MAGNETIC TRANSDUCER IS OPERATIVE TO RECORD SAID ELECTRICAL SIGNALS IN A SPIRAL MAGNETIC TRACK ON THE SURFACE OF SAID DRUM.