1 map : copper engraved, col. ; western hemisphere 88.7 cm diam., eastern hemisphere 89 cm diam., inset maps 1810.2-5 16.2 cm diam. on 105 x 183 cm. ; Cover attached. References: NIHON KOCHIZU TAISEI SEKAIZU-HEN (1975) pl. 87, explanation volume, pp.61-62. ; Bunka 7 is dated from the preface on this map, but this date is shown already on a manuscript copy of this map in collection of the National Archives, Tokyo. ; Aodo Densen is the nom de plume for Nagata Zenkichi.
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