Water industry. pt. 1.

535

This is a page from the Tokyo Shisei Zuhyo, published by Mitsuyoshi Ohashi in 1935.  It shows the water circulation and distribution in Tokyo using a map, a pie chart and what seems to be a variation of a bar graph. 

Page 17 of The Tokyo Shisei Zuhyo
Page 17 of The Tokyo Shisei Zuhyo