Essential Historical Materials for Science and Technology
Registration in fiscal year 2025
2025 Booklet（PDF）（リンクを新しいタブで開きます）(4.7 MB)
| Registration Number |
Name (Model, etc.) |
Registration Category |
Location / Year Manufactured |
|---|---|---|---|
| Number 382 | U-type multi-branch dimming transformer - The first full-scale, independently developed stage lighting equipment- PDF file download（PDF）（リンクを新しいタブで開きます）(197.4 KB) |
Category 2 | －Ota-ku, Tokyo －1933 |
| Number 383 | U-type multi-branch dimming transformer and dimming control panel - Stage light device that has supported traditional Japanese culture for many years behind the scenes - PDF file download（PDF）（リンクを新しいタブで開きます）(278.7 KB) |
Category 2 | －Minami-Alps-shi, Yamanashi －1936 |
| Number 384 | CR transformer-type dimming device - Audience seating light device that supported traditional Japanese - PDF file download（PDF）（リンクを新しいタブで開きます）(274.6 KB) |
Category 2 | －Minami-Alps-shi, Yamanashi －1936 |
| Number 385 | Dimming control panel MDS-TF and dimming transformer MDS-TD - The final autotransformer-type stage lighting dimming devices to be delivered to locations throughout Japan - PDF file download（PDF）（リンクを新しいタブで開きます）(171.0 KB) |
Category 1 | －Kawagoe-shi, Saitama －1970 |
| Number 386 | Toshiba SCR light bulb dimming unit
(3 kW: UL-10308-5 / 6 kW: UL-10608-5A) - Japan's first thyristor dimmer for stage lighting - PDF file download（PDF）（リンクを新しいタブで開きます）(241.7 KB) |
Category 1 | －Yokosuka-shi, Kanagawa －1965 / 1967 |
| Number 387 | Toyoda Open-End Roter Spinning Frame Type BD200 - Practical domestically manufactured machine that dramatically improved productivity through innovative spinning methods - PDF file download（PDF）（リンクを新しいタブで開きます）(317.3 KB) |
Category 1 | －Nagoya-shi, Aichi －1969 |
| Number 388 | Tandemly configurated false twist air jet spinning nozzles for MJS (Murata Jet Spinner) - The world's only air jet spinning nozzle used in commercial production - PDF file download（PDF）（リンクを新しいタブで開きます）(444.2 KB) |
Category 1 | －Fushimi-ku, Kyoto －1990 |
| Number 389 | Air vortex open-end spinning machine unit with vortex nozzle (VORTEX 870) - Innovative spinning technology that achieves both high-speed productivity and high-quality fabric - PDF file download（PDF）（リンクを新しいタブで開きます）(637.4 KB) |
Category 1 | －Fushimi-ku, Kyoto －2017 |
| Number 390 | Mach Coner No. 7-Ⅱ with Mach Splicer G2Z-FB0-N1 - World’s first knotless yarn splicing technology for spun yarns - PDF file download（PDF）（リンクを新しいタブで開きます）(716.8 KB) |
Category 1 | －Fushimi-ku, Kyoto －1998 (Commemorating the achievement of one million units) |
| Number 391 | Subaru Telescope - Japan's eight-meter class large-scale optical-infrared telescope that garnered worldwide attention - PDF file download（PDF）（リンクを新しいタブで開きます）(200.4 KB) |
Category 2 | －The summit area of Maunakea Kea, Hawaii, U.S.A. －1999 (Manufactured: 1991–1999) |
| Number 392 | Institute of Space and Astronautical Science 1.3-meter infrared telescope - Japan's first alt-azimuth mount telescope, with the largest domestically manufactured aperture diameter at the time of construction - PDF file download（PDF）（リンクを新しいタブで開きます）(209.1 KB) |
Category 2 | －Sagamihara-shi, Kanagawa －1988 |
| Number 393 | Nayuta Telescope - Largest single-mirror optical telescope in Japan, measuring 2.0 meters and utilizing Subaru Telescope technology - PDF file download（PDF）（リンクを新しいタブで開きます）(255.6 KB) |
Category 2 | －Sayo-cho, Sayo-gun, Hyogo －2004 |
| Number 394 | 0.5-meter Solar Optical Telescope installed on the Hinode satellite (SOLAR-B)
(Displayed items: the primary mirror unit, secondary mirror unit, and heat dump mirror unit) - Japan's first full-scale space telescope for solar observation - PDF file download（PDF）（リンクを新しいタブで開きます）(244.9 KB) |
Category 2 | －Mitaka-shi, Tokyo －2006 (manufactured: 2001–2005) |
| Number 395 | Wire electrical discharge machine EW-20 - The world's first wire electrical discharge machine with a minicomputer NC device - PDF file download（PDF）（リンクを新しいタブで開きます）(200.8 KB) |
Category 1 | －Koga-shi, Fukuoka －1974 (Everything other than the main unit was manufactured in 1972) |