nypl:

What is the difference between a photographer and the whooping cough?

Why are ‘Capstan’ Cigarettes like L100,000?

Why is a school boy being flogged like you eye?

Why a plum cake is like the ocean?

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For more delightfully dumb old-time jokes, go to the library’s digital collection of “riddle” cigarette cards. (Warning: they really are dumb.)

Why IS a plum cake like the ocean?