Here is a quickie photo of the Philips tapes and their unique hard plastic cassette-like cases:
-- 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
> 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
>>> Any ideas?