You could ask here:

http://missingepisodes.proboards.com/

They are experts at rescuing audio and video recordings.

CJB

On 11/07/2017, CJB <[log in to unmask]> wrote:
> AGFA sold audio r-r tapes in the UK in the 60s/70s. CJB
>
> On 11/07/2017, Peter Hirsch <[log in to unmask]> wrote:
>> I just saw this and I'm sure a lot of you know more than a little about
>> AGFA, so maybe you can get back to Green at the address in the message.
>>
>> I'm just the vessel, so no need to reply to me.
>>
>> Peter Hirsch
>>
>> Subject: Audiovisual quandry
>> From: Jean L Green <[log in to unmask]>
>> Date: Thu, 25 May 2017 10:04:23 -0400
>> X-Message-Number: 2
>>
>> Hello list,
>>
>> I am reviewing some unidentified audio and film recordings. On the boxes
>> I
>> am finding cryptic information such as 10/1 K, 11/1 K, 12/1 K, 29/1 K,
>> 34/1
>> K, 34/2 K, 34/3 K, etc. It mainly appears on media from AGFA-GEVAERT and
>> is
>> probably c.1973. Did AGFA-GEVAERT make audio tape as well as film? Can
>> anyone identify the 10/1 K, etc. markings?
>>
>> Please reply off-list. Thanks for any info/clues/leads!
>>
>> Jean
>>
>>
>> Jean L. Green
>>
>> Head of Special Collections, Preservation and University Archives
>> Binghamton University Libraries
>> Binghamton University
>> Binghamton, N.Y. 13902-6012
>>
>> Tel (607) 777-3912
>>
>> Fax (607) 777-6500
>>
>> Email [log in to unmask]
>>
>