[Boatanchors] Cart Machines

Bob Macklin macklinbob at msn.com
Mon Mar 14 11:10:24 EDT 2011


I remember this one too!

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"

----- Original Message ----- 
From: "Sheldon Daitch" <sdaitch at kuw.ibb.gov>
To: "Bob Macklin" <macklinbob at msn.com>
Cc: <boatanchors at mailman.qth.net>
Sent: Monday, March 14, 2011 7:59 AM
Subject: Re: [Boatanchors] Cart Machines


> Or the Ampex ACR 25?
>
> http://www.youtube.com/watch?v=m_YXCNpTfAg&feature=related
>
> 73
> Sheldon
>
> On 3/14/2011 5:44 PM, Bob Macklin wrote:
>> I had forgotten about the audio cart machines. I was thinking about the 
>> video cart machines.
>>
>> In 1968 I designed a system using a 4 track audio cartridge to hold 
>> digital data. We put 40K credit card numbers on a tape that played back 
>> in 15 seconds at 15IPS.
>>
>> That design led to the development of the floppy disk.
>>
>> Bob Macklin
>> K5MYJ
>> Seattle, Wa.
>> "Real Radios Glow In The Dark"
>> ----- Original Message ----- From: "Sheldon Daitch" <sdaitch at kuw.ibb.gov>
>> Cc: <boatanchors at mailman.qth.net>
>> Sent: Monday, March 14, 2011 7:35 AM
>> Subject: Re: [Boatanchors] Cart Machines
>>
>>
>>>
>>> Here is one site which shows a number of the
>>> audio cart machines over the years:
>>>
>>> http://www.oldradio.com/archives/hardware/carts.htm
>>>
>>> I've reloaded many a tape cart with new tape and new
>>> pads, as they have worn out.  The plastic shells even
>>> if broken, could be fixed with a solvent glue.
>>>
>>> White glue worked well to replace the pencil leads on
>>> the older Fidelipac platters.
>>>
>>> 73
>>> Sheldon
>>>
>>> ______________________________________________________________
>>> Boatanchors mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Boatanchors at mailman.qth.net
>>>
>>> List Administrator: Duane Fischer, W8DBF
>>> ** For Assistance: dfischer at usol.com **
>>>
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>>
>>
> 



More information about the Boatanchors mailing list