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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.