This was my thought. It's the restatement of the noun for specificity that's rare now, not the word "which".
We drop the implicit noun just like we drop the imperative subject, i.e. we say "Close the door" now instead of "Close you the door".
We drop the implicit noun just like we drop the imperative subject, i.e. we say "Close the door" now instead of "Close you the door".
Even in 1934, you didn’t think of it as eliding the noun when you used “which” as a pronoun; rather, you thought of using the noun again as an escape hatch for ugly situations like this. More to the point, in modern English, where we don’t have this option, we’d have to restructure the sentence to avoid this ambiguity, not simply drop the noun.
Or even "Fly, you fools!"