Early magnetic tape recorders were created by replacing the steel wire of a wire recorder with a thin steel tape. The first of these modified wire recorders was the Blattnerphone, created in 1929 or 1930 by the Ludwig Blattner Picture Corporation. The first practical tape recorder from AEG was the Magnetophon K1, demonstrated in Germany in 1935.
Although lesser-known, the British Broadcast industry had a similar machine in use in that same decade. The following account is given in the May 1954 issue of “Audio.”
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There were early mainframe computers that used metal band for mag tape recording too. The results of one of the Eisenhower elections are on a set of tapes the Smithsonian has, but nowhere does there exist a single drive that can read it. Univac had a "scorched earth policy" where their machines were lease only and were destroyed at the end of the lease. This was not rare: WE ERPI did it with theater gear, except at the end they sold it for $1 to the movie house because it wasn't worth the effort to reclaim it. I think Panavision does this today. When an item is no longer rentable they throw it in the SSI Shredder.
HI,
I'VE LOST TOUCH WITH ROGER BECKWITH (sp?) & WOULD APPRECIATE ONCE AGAIN HAVING THE CORRECT SPELLING OF
HIS NAME & EMAIL ADDRESS S THAT I CAN FINALLY PROVIDE TO
THE APPROX. 18 MINUTES OF EXEMPLARY QUALITY ENGLISH - MARCONI RECORDING THAT WAS PROVIDED TO ME BY THE
SWEDISH RADIO COMPANY CIRCA 1983. MY ILLNESS GOT IN
THE WAY OF FOLLOWING THROUGH KEEPING MY PROMISE TO
HIM. ALSO, I'D LIKE TO PROVIDE REPRO SAMPLES OF CONVENTIONAL POST WAR A.C. BIASED (24 IPS) DERIVED FROM
WHAT I ANOINTED MY AMPEX AG-445C PLAYBACK - ONLY
SYSTEM: WHICH KIT BASHED FROM AMONGST MANY AMPEX PARTS
AND ASSEMBLIES, + HEADS & CUSTOMIZED GUIDES PROVIDED BY
RF MAGNETICS.
I'M STILL ALIVE. A BIT OF RESEARCH (NOT AT ALL DIFFICULT IN THIS
UTTERLY LOUSY TIME) & WOULD LOVE TO BE TRACKED DOWN BY
ANYONE INTEREST IN THIS TOPIC.