The iconic shape and appearance of a streamline aluminum trailer sitting at a campsite or being pulled down the highway has captivated collectors and vacationing hobbyists for nearly 90 years. During this time, the exterior appearance of the trailer has changed very little, so recollections can range from seeing a 1937 Dodge Pickup to a 1969 Impala hauling one of these beauties. Today, restored rarities from Airstream, Silver Streak, Boles Aero, Clipper, and Spartan can command as much as...