Wonderful, if a tad presumptuous, sci-fi ads from National Motor Bearing.
(click ads, via) The artist was the futurist commercial illustrator Arthur Radebaugh. The company and its brand of national oil seals unfortunately appear to be things of the past. Too bad. That Martian atomic iron mining machine is one cool looking motherfucker. Previously: Wonderful Sci-Fi Channel Posters via Italy.