Guideway selector for multi-track records

Claim 1

A PHONOGRAPH DISK RECORD COMPRISING A THIN CIRCULAR BODY OF PLASTIC MATERIAL HAVING A PLURALITY OF CONCENTRIC CIRCULAR SOUND TRACKS CUT IN ONE SURFACE THEREOF LEAVING A SOLID PERIPHERAL EDGE THEREAROUND, THE SURFACE OF SAID PERIPHERAL EDGE BEING CUT AWAY ADJACENT THE STARTING ENDS OF THE TRACKS, SAID CUT-AWAY PORTION HAVING A STRAIGHT END EDGE, THE STARTING ENDS OF THE TRACKS INTERSECTING THE STRAIGHT END OF THE CUTAWAY PORTION, A THIN PLASTIC TAB FASTENED FLATWISE ON THE SURFACE OF THE BASE OF SAID CUTAWAY PORTION AT THE STRAIGHT END THEREOF, SAID TAB HAVING A STRAIGHT END EDGE ABUTTING THE STRAIGHT END EDGE OF THE CUT-AWAY PORTION, THE OTHER END OF THE TAB HAVING VSHAPED TIPS, SAID TIPS FORMING V-SHAPED NOTCHES THEREBETWEEN, THE SURFACE OF THE BODY OF THE TAB HAVING PILOT GROOVES LEADING FROM THE APICES OF THE V-SHAPED NOTCHES TO THE STARTING ENDS OF THE SOUND TRACKS FOR A PHONOGRAPH NEEDLE, THE OTHER END EDGE OF THE CUT-AWAY PORTION BEING CURVED, THE SURFACE OF THE BASE OF THE CUT-AWAY PORTION ADJACENT THE CURVED END EDGE BEING SMOOTH AND SERVING AS A GATEWAY LEADING TO THE V-SHAPED NOTCHES FOR A PHONOGRAPH NEEDLE.