It is said during the Meiji period when Guido Herman Fridolin Verbeek from the Netherlands came to know the theory of "Kyuritsu," he was surprised at the advanced level of the science in the Edo period.
明治年間にオランダのフルベッキが『窮理通』の説を聞き、江戸時代の科学の進んでいたことに驚いたという。