Qualla: Tomioka Silk Mill: The Factory That Frightened Its Workers

Tomioka Silk Mill: The Factory That Frightened Its Workers: Introduction

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit Abasaa, Public domain. When the French engineers at the Tomioka Silk Mill were seen drinking red wine, a rumor swept through the countryside: the foreigners were living off blood drained from the Japanese workers. Recruitment collapsed. Factory director Odaka Atsutada, desperate to fill his 300 reeling machines, sent his own daughter to work the production line, proving by her survival that the French were merely fond of Bordeaux. The episode captures something essential about this place -- the collision of two worlds, playing out inside a massive brick building in the mountains of Gunma Prefecture, 100 kilometers northwest of Tokyo.

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Image: Abasaa | Public domain

Tomioka Silk Mill: The Factory That Frightened Its Workers: Silk as National Strategy

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit Abasaa, Public domain. The Tomioka Silk Mill was not built to make money. It was built to save a country. Following the Meiji Restoration, Japan's new government needed exports to finance the industrialization that would prevent the nation from becoming a Western colony. In 1862, raw silk and silkworm ...

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Image: Abasaa | Public domain

Tomioka Silk Mill: The Factory That Frightened Its Workers: Three Hundred Reels and a Brick Kiln

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit waka77, CC0. Brunat hired architect Edmond Auguste Bastan to design the mill, and Bastan completed the blueprints by December 1870, drawing on his experience designing the Yokosuka ironworks. Construction began in March 1871, but brick was not yet common in Japan, so a kiln had to be built fi...

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Image: waka77 | CC0

Tomioka Silk Mill: The Factory That Frightened Its Workers: Samurai Daughters and Eight-Hour Days

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit Asturio Cantabrio, CC BY-SA 4.0. The mill opened on November 4, 1872, with about 210 workers operating half the machines. After the blood-drinking rumors subsided, the workforce grew to 404 by January 1873 and 556 by April -- mainly daughters of former samurai, whose families saw factory work as a form of nation...

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Image: Asturio Cantabrio | CC BY-SA 4.0

Tomioka Silk Mill: The Factory That Frightened Its Workers: Four Owners and a Century of Silk

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit Javbw, CC BY 3.0. When Brunat and the French engineers departed in 1875, the mill continued under Japanese management. Mitsui and Company purchased it from the government in 1893 for 121,460 yen, exporting all production to the United States but extending working hours to twelve in summer. Silk me...

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Image: Javbw | CC BY 3.0

Tomioka Silk Mill: The Factory That Frightened Its Workers: From Factory Floor to National Treasure

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit Nao Shiki, CC0. After the last reel stopped turning, Katakura maintained the buildings at considerable expense for eighteen years. In 2005, the company sold the site to Tomioka city for a nominal sum, and the designation as a National Historic Site followed immediately. The oldest buildings beca...

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Image: Nao Shiki | CC0