Completely unrelated, other than that they’re both interesting, and both from 1933.
A 1933 beer brewing diagram from popular science:
And a some maps of the London Underground. In 1932 the map still attempted to show turns along the subway lines. By 1933, the design that dominates most subway maps today was born.
1932 with turns:
1933 without turns:
And a 2012 London Underground map for comparison:
And Boston, why not: