I don't know of a direct replacement for the 2D specifically, but McMaster-Carr has brass racks and spur gears as well as steel ones: http://www.mcmaster.com/#brass-gears/=3q05kp
Not sure I agree. If I had a collector's item it would see very little use and definately not field use. A collector's item is just that. A different purpose.
I think I have them left over from a 5x7 2d I cannibalized for some other parts. If so I can give them to you if you pay shipping. Can you post a pic of your camera so that I know I'm sending the right thing?
I am not 100% sure that what I have is the 2d, it says "Eastman view No. 2 Improved Model of a Century View and Empire State No. 2".....
That would be great keith. I think the knobs are smaller on the 5x7. I have one that I wil check tonight. If they are the same size I will post pics tomorrow. I will gladly pay shipping.