197572 ⎘
Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor; Arrangements of heads Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
Sub-classes:Headshell and tonearm for mounting cartridge of audio turntable and audio turntable comprising same
#2Apparatus for varying the pitch of audible tones driven by a turntable
#3MAGNETIC AZIMUTH ADJUSTMENT FOR TONEARM
#4Manual to automatic turntable player conversion