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The reel in question is a fair amount earlier than that and doesn't live in it's original case but we're on the same lines here. The tape in question has a known length with a certain amount of blank space so I've now been able to ascertain that it's an 1800ft (0.5ml) reel. Thanks again Richard On 3 May 2015 at 12:45, Tom Fine <[log in to unmask]> wrote: > Hi Richard: > > Here is a quickie photo of the Philips tapes and their unique hard plastic > cassette-like cases: > https://dl.dropboxusercontent.com/u/63010252/philips.jpg > > -- Tom Fine > > ----- Original Message ----- From: "Mint Records" < > [log in to unmask]> > To: <[log in to unmask]> > Sent: Sunday, May 03, 2015 6:41 AM > Subject: Re: [ARSCLIST] 1/4" tape length > > > > Thank -you Tom, That's great. Funny you should talk about a European >> Phillips reel as this is exactly what it is. >> >> Many thanks >> >> Richard >> >> On 3 May 2015 at 01:59, Tom Fine <[log in to unmask]> wrote: >> >> Hi Richard: >>> >>> I have two Philips tapes on 5.75" and in hard plastic cassette-style >>> boxes. The tape seems to be 1 mil thick, and there is about 32 minutes >>> running time at 7.5IPS, so about 1200 feet. For 1.5 mil tape, this would >>> equate to about 900 feet, about 24 minutes. For 0.5 mil tape, about 1800 >>> feet, 48 minutes. >>> >>> Quick interwebs research indicates this reel size was somewhat common in >>> the European home recording world in the 60s, but never was common in the >>> US. I think the US reel manufacturers standardized on 3", 5" and 7" >>> plastic >>> for 1/4" tapes, and 10" NAB flanges for hubs of various heights (tape >>> sizes). That said, Philips seems to have marketed 5.75" reels in these >>> cassette-type cases for the educational world in the US and Canada, under >>> the Norelco and other brands. >>> >>> -- Tom Fine >>> >>> ----- Original Message ----- From: "Mint Records" < >>> [log in to unmask]> >>> To: <[log in to unmask]> >>> Sent: Saturday, May 02, 2015 7:30 PM >>> Subject: [ARSCLIST] 1/4" tape length >>> >>> >>> Can anyone point me in the right direction. I'm trying to find out the >>> >>>> length of 1/4" tape possible on a 5.75" reel depending on thickness. >>>> >>>> I can find references for 5" and 7" reels but not 5.75" >>>> >>>> *I*'m trying to work out the possible lengths for a 5.75" reel for an >>>> article I'm co-writing . >>>> >>>> My guess is roughly 1000 ft, 1500 ft & maybe 2000 ft depending on >>>> thickness >>>> >>>> Any ideas? >>>> >>>> Thanks >>>> >>>> Richard >>>> >>>> >>>> >>>> >> >>