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The Magnetophon Sound Recording
Research Department
Report No. C.053/3
Serial No. 1946/14
BIOS Target Nos
C 7/512, C9/475
Reported by:
M.J.L. Pulling
Superintendent Engineer (Recording)
British Broadcasting Corporation
London, W 1.
BIOS Trip No: RAT 43
Personnel of Team
M.J.L. Pulling (BBC)
E.M. Payne (Electric & Musical Industries Ltd)
H.E. Parker (Ministry of Supply)
See FD 1186/47
Not to be Reproduced
This is hand-written on page two. Though, why?
Keywords: The recording machine H.T.S.; Head Assembly; The amplifier Unit; The Recording Amplifier; The microphone or monitor amplifier; overall performance; FT3; Tonschreiber b; Tonschreiber c, Tonschreiber d, Tonschreiber f, A1000 L40 (also known as RE3); R26; K4 (RRG designation R122a); K7; Kasettengerät; Machine for recording on a Quatro Sheet; The tape; Patents; References; on the Manufacture of Magnetophon Tape; The A.C. biassing .. ; It should ne noted ... ; mostly HTS are in use by the Nord West German Radio (MWDR, AOB) and by Radio Frankfurt ... ; tape spool centre boss ... ; the B/H curve ... ; at a speed of 77 cm/sec ... ; wiping current ... ; Dr. von Braunmühl ... ; ... for stereophonic recording and reproduction by recording two side-by-side tracks on the same tape .. ; AEG Berlin ... ; HTS was introduced in about 1942 .. ; The pitch-restoring head is an ingenious device ... ; K4 (RRG designation R24) .. ; AIR22a/1 December 1942 schematic .. ; A/V7b/2 Schematic V7b .. ; Reichs Rundfunk schematic V5 Wiedergabeverstärker ... Frequenzkurve des Wiedergabeverstärkers V5 .. ; Schematic diagram K7 Magnetophon AEG/AT/MGT 403178N ... ; At the factory of IG Farben at Ludwigshafen, polivinyl chloride ... ; luvitherming ... ; FeSO4 treated ... ; The thickness of deposit is .015 mm (= 15 µ, AOB) ... ; split into strips of 6.5 mm wide ..; Patents of Braunmühl and Weber .. list of publications; SIGESO 56 ... ; Notes on the manufacture of Magnetophon tape by Dr. Pflaumer of I.G. Farben, translated by Dr. H.J. von Braunmühl ..
Please continue, or proceed with: Magnetophon Project
Please continue, or proceed with: Magnetophon patents
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