Production under American Supervision and Confiscation of the Film

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Explanatory manuscript of film

Donated by Nobuo Kano and Motoko Kano
Since the film was produced through the commissioning of the U.S. side, each edition was composed in English. An explanatory manuscript was created in Japanese first and then translated into English. The English translation was created by employees of the Japan Film Corporation with the cooperation of Toshiro Shimanouchi of the Ministry of Foreign Affairs and Yoshio Nishina.

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Preview screening at Hibiya Public Hall

Chiyoda-ku, Tokyo
Source: 70 Years of Hibiya Public Hall, Tokyo Hibiya Public Hall
After recording and final corrections, the film was completed in the latter part of April 1946. The film contained 19 volumes, and had a screen time of 2 hours, 45 minutes. After a preview screening of the Hiroshima and Nagasaki editions was conducted at the Japan Film Corporation, a preview screening for U.S. personnel was held at the Hibiya Public Hall on May 4.

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Concealment of film

Setagaya-ku, Tokyo
Source: The Man Who Took the Secretive Atomic Bomb Film, Masao Uno, Kyoei Shobo
All of the filmed footage for the movie was supposed to have been submitted. However, some unprocessed film was secretly retained by personnel involved in the project who had a deep desire to keep it. This photograph shows the Miki Film Company processing lab, where the film was hidden.


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Article that described film to be transported to United States

May 13, 1946 The Chicago Sun (evening edition)
Collection of U.S. Library of Congress
The completed film was not shown to the general public in Japan, but rather was transported to the United States. Including the unedited film, sixty to seventy film cans, along with data written in English, were placed in a dozen or so wooden cases and sent to the U.S.

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Line drawing order form

Donated by Nobuo Kano and Motoko Kano
The film included not only filmed footage but also city maps showing the shooting locations, graphs of radiation measurement results, and other diagrams. Diagrams and charts were made through orders to other companies, and such work proceeded in parallel with the film's editing.


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