I've started a collection of odd and/or unique AS photos. The pic below is a 70's Argosy experimental 4 wheel travel trailer. The info on the website where I found it was:
"Important piece of Airstream History
1 of 1,preproduction test model, 20' cabin Airstream Argosy
Watson front wheel steer system with plexiglass windows in top of front wheel tubs for filming steering action. Steers like a car, not a wagon! Zero tongue weight on tow vehicle.
No interior -- ever, 4 wheel electric brakes, factory interior
lining. No vents or holes. Original paint, tires, signage, etc. Rear
tires show heavy wear from full power broadsliding through slalom course during testing at Transportation Reasearch Center. Amateur video of testing goes with trailer, very dramatic!"
It was for sale at that time (Sept 2000) but I'm sure it's gone by now.
This and other AS photos are at:
Some were borrowed from these forums. If you have comments or other photos to share, please do.