I think there are apple patents that you could review that cover the theory of operation of the twiggy drives.
If you need any specific pictures, if it's not difficult I could take the twiggy drives out of my lisa-1 to photograph.
What are you trying to find out about twiggies and will you share your findings?

Thanks,
Chandra



On Sun, Jan 19, 2014 at 4:07 PM, James MacPhail <gg_@sigmasevensystems.com> wrote:

Some Twiggy Drive pictures:

 http://www.flickr.com/photos/114907644@N04/collections/72157639937837116/


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