“Hishu” [today Saga Prefecture]: 1841-45.

A very rare Japanese manuscript sea chart of the sea routes from Saga Prefecture, a major trading area in the west, to Osaka through the Inland Sea, which is more than 400 km. long and includes in excess of 3000 islands. The Inland Sea, one of the main trade routes for the Japanese in the Edo period, has numerous areas of turbulence and navigating through the numerous islands and rocky outcroppings presented enormous problems in the era before modern navigation systems. In the early 1840s, the central government in Edo ordered each fiefdom to prepare... More