Art Deco

Yes, the title is oxymoronic. But if Bevis Hillier and Stephen Escritt are right, much of the Art Deco movement was fundamentally oxymoronic. Anyway, enough yap. Here's Homeward Bound by Kent Rockwell:
Bakelite for Breakfast, 1926 (from American Plastic)
Check out this Zephyr Digital Clock from 1933.