Operating mechanism for sound arms on record players - has accumulator connected to starting lever
US3833225A
Driving mechanism for the turntable in record players
US3080168A
Record changing phonograph
GB804937A
Improvements in phonographs provided with a record changing centre spindle
DE1043656B
Stacking axis for plate changer
DE1108455B
Device for controlling the automatic needle insert movement in speaking machines for records of different diameters
US2914329A
Phonographs for placing the pick-up arm needle in the correct initial playing position on a sound disc record to be played
DE1081685B
Start-stop device for sound recorders and playback devices
US2961180A
Apparatus for recording and reproducing sound on elongated recording mediums
GB795607A
Improvements in apparatus for recording and reproducing sound on elongated recordingmediums
ES222050A1
Improvements in the phonographic devices to place the acoustic arm in a correct initial position on the disk to be touched (Machine-translation by Google Translate, not legally binding)
DE974382C
Device for controlling the automatic insertion movement of the scanning needle into the inlet groove in speaking machines
US2886329A
Tone arm and control means therefor
GB778979A
Improvements in devices for placing the pick-up arm needle in the correct initial playing position on a phonograph record
DE1053804B
Magnetic head with ferrite core halves with highly permeable plated metallic gap limits
US2911481A
Magnetic head comprising a core of ferrite
GB772521A
Magnetic recording, reproducing or erasing head comprising a core of ferrite
DE1020191B
Device for automatic speed change in speaking machines with different playback speeds
