Japanese_submarine_Ro2_in_1920.jpg

Summary

Description
English: Ro2, F1 type submarine of the Imperial Japanese Navy, maybe at Kawasaki shioyard, Kobe. Her name was "SS No.21" at this time and renamed to Ro2 in 1924. Left ship is "No.18(Ro1)".
日本語: 日本海軍呂号第2潜水艦、おそらく大正9年の竣工引き渡し前、神戸川崎造船所。当時の艦名は「第21潜水艦」。左は第18潜水艦（後の呂号第1潜水艦）。『世界の艦船 増刊第37集 日本潜水艦史』海人社、1993年8月号増刊、第469集、p19より。
Date maybe 1920.
Source Japanese magazine "Ships of the world special edition - History of Japanese submarines", Kaijinsha, 1993, p19.
Author unknown, probably Imperial Japanese Navy or Kawasaki Shipyard.

Licensing

Public domain
This photograph is in the public domain in Japan because its copyright has expired according to Article 23 of the 1899 Copyright Act of Japan ( English translation ) and Article 2 of Supplemental Provisions of Copyright Act of 1970. This is when the photograph meets one of the following conditions:
  1. It was published before 1 January 1957.
  2. It was photographed before 1 January 1947.
It is also in the public domain in the United States because its copyright in Japan expired by 1970 and was not restored by the Uruguay Round Agreements Act .
Notes
Notes
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