Hi Sarah,
I did a quick Google and found this forum thread http://www.vintage-radio.net/forum/showthread.php?t=21307 from the bottom post on that thread
“The UK was dominated by EMI. Their main competitor was MSS-Mastertape - both excellent tapes. Zonal added magnetic stripes to cine film and then in 1961 launched Zonatape which was quickly followed by Ilford's new tape, Ilfotape. Ilford bought Zonal in 1964 and later sold it to Racal. Zonal survive today as Zonal-Media and have talked about reintroducing 1/4" tape. Zonal made superb tape for the BBC. Ask them to start up again!!”
So did a search for Zonal media http://www.zonalmedia.com/
May be worth speaking to them
Regards
Catherine Jones
New Media Engineer
Science Museum
t: +44 (0)20 7942 4798
www.sciencemuseum.org.uk<http://www.sciencemuseum.org.uk>
From: Museums Computer Group [mailto:[log in to unmask]] On Behalf Of Sarah Wyatt
Sent: 30 March 2016 14:39
To: [log in to unmask]
Subject: [MCG] Help identifying a tape
We have found a tape reel type in our Film & Video collection for which I can find no reference online, can you help?
It is branded Ilford Zonal in a clear plastic locking circular case with a 9.5cm hole in the centre of the plastic reel. In computer type font is the name “Calculus” plus what could be 06, OG or DG. The tape itself is black and ½” gauge. Overall it is 9.5” in diameter.
Any thoughts? We are thinking it could be a computer tape of some sort.
I have photos of the tape I can send off- list if that helps?
Sarah Wyatt
Film & Video Curator
The National Motor Museum
Beaulieu
Hampshire
SO42 7ZN
Extension: 4643
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