re: #155 Scout

Please forgive my ignorance. How does this relate to Art Deco (if at all)?

It is a progression from, and reaction to, Art Deco. Formally, it is a style of architecture but the same ideas were adapted to many other products as well, especially by the renowned Raymond Loewy (mentioned earlier by Austin Blue).

Wikipedia describes it pretty well:
Streamline Moderne

As the Great Depression of the 1930s progressed, Americans saw a new aspect of Art Deco—i.e., streamlining, a concept first conceived by industrial designers who stripped Art Deco design of its ornament in favor of the aerodynamic pure-line concept of motion and speed developed from scientific thinking.

…………

Art Deco and Streamline Moderne were not necessarily opposites. Streamline Moderne buildings with a few Deco elements were not uncommon but the prime movers behind streamline design (Raymond Loewy, Walter Dorwin Teague, Gilbert Rohde, Norman Bel Geddes) all disliked Art Deco, seeing it as effete and falsely modern—essentially a fraud.