Recording and reproducing machine

Claim 1

IN A RECORDING AND REPRODUCING MACHINE INCLUDING A HOUSING, A PLURALITY OF MAGNETIC SOUND RECORDING AND REPRODUCING HEADS, MOTOR MEANS AND MEANS FOR RECEIVING AND ADVANCING RECORDING SHEET MATERIAL THROUGH THE HOUSING, SAID SHEET MATERIAL HAVING A PARAMAGNETIC RECORDING MATERIAL ON AN UNDERSIDE THEREOF AND AN UPPER SURFACE ADAPTED TO RECEIVE WRITTEN INTELLIGENCE THEREON, THE PROVISION OF: CONTINUOUS BAND MEANS INCLUDING A PAIR OF AXIALLY SPACED BAND DRUMS FOR MOUNTING AND MOVING SAID RECORDING AND REPRODUCING HEADS INTO AND OUT OF RECORDING AND REPRODUCING RELATIONSHIP WITH THE UNDER SURFACE OF SAID SHEET MATERIAL; ELECTRICAL CONNECTING MEANS FOR INTERCONNECTING SAID HEADS WITH A LOUD SPEACKER SYSTEM; INDICATOR MEANS FOR INDICATING ABOVE THE UPPER SURFACE OF SAID SHEET MATERIAL THAE RELATIVE MOVEMENT OF A HEAD ALONG THE SHEET MATERIAL UNDERSURFACE; AND TRANSMISSION MEANS FOR DRIVINGLY CONNECTING SAID CONTINUOUS BAND MEANS, SHEET MATERIAL ADVANCING MEANS AND INDICATOR MEANS WITH SAID MOTOR MEANS FOR UNIFORM RELATIVE MOVEMENT BETWEEN SAID HEADS, INDICATOR MEANS AND SHEET MATERIAL.