[FRIAM] USB-Firewire adapter question

[Victoria Hughes]

Hello all-
I am working on PURDe with Ethan, and need an adapter for a firewire  
connection to the hard drive on which are stored all the archives for  
the Complex.

I have a MacBook, with two USB ports and no firewire port.
Is there an adapter that I can plug into the USB port, into which I  
can plug in a firewire cable?

Is there by any chance a spare floating around the Complex?
Anyone know where I might easily pick one up in town or online?

Thanks
        Tory

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