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Ascending into the Realm of Japanese Charts

A prewar collection crosses the Pacific.

Welcome to Chartography—insights and delights from the world of data storytelling.

Rare-book collecting has a new luxury: you can inspect a century-old atlas online before deciding whether to own it.

I was staring at a Kosho listing for a 1925 volume called 模範統計図集 [Model Statistical Illustration Collection]. Kosho is Japan’s immense online antiquarian marketplace. It is not one shop but a network: many dealers, many standards, one sprawling catalog. The depth is astonishing. The presentation can be maddening.

Many listings have little or no imagery. Product metadata is often just enough to lure you in and leave you guessing.

To me, a cryptic listing does not feel like a description. It feels like a challenge. OpenAI helped me translate, disambiguate listings, and locate a digitized copy in HathiTrust. The book has dozens of colorful charts, like this one: