Thanks, Corey!

On 2019-07-18 2:37 p.m., Corey Bailey wrote:
> Hi Richard,
> 
> The magnetic fluid was just an afterthought to possibly enhance the 
> visibility in case the magnification could use some help. Just thinking 
> out loud (as it were) because I'm not sure that either, or both, would 
> help.
> 
> Cheers!
> 
> Corey
> 
> Corey Bailey Audio Engineering
> www.baileyzone.net
> 
> On 7/18/2019 9:09 AM, Richard L. Hess wrote:
>> Hi, Corey and Paul,
>>
>> Thank you both!
>>
>> [Responding to Corey]
>>
>> The hub is definitely not a DIN hub. I have adapters for those and 
>> have transferred some. It looks to be about two inches in diameter and 
>> I'm not certain that there is any keying (the EIA (cine), NAB, and DIN 
>> hubs have keying systems). The "data" hub that was common is larger 
>> than an NAB hub with no keying and has a circular slot that if open 
>> forces the mag tape to read only.
>>
>> I'd like to know more why you are suggesting a magnetic developer 
>> fluid? Just as a contrast enhancer (i.e., filling whatever 
>> grooves/indentations are on the tape) or are you thinking that somehow 
>> there may be some magnetic properties to the tape?
>>
>> We wound in and it was clear there was a break between the clear 
>> leader and the start of whatever.
>>
>> It appears that the entire spool is clear. I think we unspooled enough 
>> to say that there's no opaque mag stuff further in.
>>
>> [Responding to Paul]
>>
>> The "tape" appears CLEAR throughout its length, no mag coating. It is 
>> thin and flexible and about an inch wide (approx). Thanks for the 
>> link, the 9-track data tape is very familiar to the people who 
>> contacted me as it is what they transfer. For those who care, there 
>> are good pictures of the "data" hub I was describing in my section 
>> above in your link. It is not that.
>>
>>
>> All good thoughts!
>>
>> Thanks again!
>>
>> Cheers,
>>
>> Richard
>>
>> On 2019-07-17 8:41 p.m., Paul T. Jackson wrote:
>> > From your description, this sounds like the tape used by the Dec Mini
>> > Computers back around the 60-70s.
>> > https://wikivisually.com/wiki/9_track_tape.
>> >
>>
>>
>> On 2019-07-17 8:02 p.m., Corey Bailey wrote:
>>> Hi Richard,
>>>
>>> I have no idea just what you may have there. However, it might be 
>>> useful to observe the material with some magnification to see 
>>> (literally) if there any clues. Perhaps, with the correct amount of 
>>> magnification & light, one could observe the modulation. You could 
>>> also apply a magnetic fluid like "Kyread" to a small area to see if 
>>> it enhances the visibility. You're description of the hub sounds like 
>>> it may be European although I haven't observed any reels of data tape 
>>> in years.
>>>
>>> That said, I have come across clear leader, both audio tape & film, 
>>> where one could observe the track configuration based on the linear 
>>> scratches.
>>>
>>> Good luck with this,
>>>
>>> Corey
>>>
>>> Corey Bailey Audio Engineering
>>> www.baileyzone.net
>>>
>>> On 7/17/2019 11:32 AM, Richard L. Hess wrote:
>>>> Hi,
>>>>
>>>> I was invited to discuss three "tapes" that a colleague has that 
>>>> appears to be about one-inch wide, on metal reels with a hub smaller 
>>>> than an NAB or DATA hub. The bottom metal flange had a flat ring on 
>>>> the outside (much like the Magnetophon reels).
>>>>
>>>> This tape is CLEAR and appears to be a relative of the Recordgraph 
>>>> Amertape system, although my vague recollection was that system 
>>>> scratched a wider or narrower track in the coating of the film. This 
>>>> one is using clear film. There are three reels.
>>>>
>>>> Here is the best image of the ones I received showing the recorded? 
>>>> surface.
>>>>
>>>> https://www.dropbox.com/s/5ls6innje771qhc/IMG_4720.JPG?dl=0
>>>>
>>>> Any ideas? The reels are marked "Honeywell."  The latest one (1976) 
>>>> is marked "High Density 555." The reels are about 10-12 inches in 
>>>> diameter. The recordings are 1963-1976.
>>>>
>>>> From the marked contents, and the little background I have, I would 
>>>> expect these contain testimony or discovery type information from 
>>>> high-profile cases.
>>>>
>>>> Yet another format...
>>>>
>>>> Any and all help is appreciated.
>>>>
>>>> Thanks!
>>>>
>>>> Cheers,
>>>>
>>>> Richard
>>>>
>>>
>>
> 

-- 
Richard L. Hess                   email: [log in to unmask]
Aurora, Ontario, Canada                             647 479 2800
http://www.richardhess.com/tape/contact.htm
Quality tape transfers -- even from hard-to-play tapes.