MECHANICAL ENGINEERING HERITAGE NO.31

Domestic induction motor and design sheet in the business start age of Japanese Electrical Machinery

These are 5-horsepower, three-phase induction motors manufactured in the earliest days of electrical machinery in Japan and the design sheet thereof, which are currently preserved in Odaira Memorial Museum in Hitachi Works of Hitachi, Ltd. in Hitachishi, Ibaraki prefecture. The motor is a memorial product that was designed and manufactured in 1910 by using solely domestic technologies under the leadership of Namihei Odaira, Section Manager, Engineering Department, Kuhara Kogyo, Hitachi Mine, and it carries the nameplate ‘Serial No. 1.’ The design sheet was prepared by Naosaburo Takao. These historical properties show a high level of domestic electrical machinery manufacturing technologies from the early 20th century.

On exhibition (Reservation required)

Odaira Memorial Museum, Hitachi Ltd.

Hours open:
10:00–12:00, 13:00–16:00
Admission fee:
Free
Days closed:
Office holidays (Saturdays, Sundays, public holidays, year-end/New Yearʼs, Bon holidays, etc.)
Address:
3-1-1 Saiwai-cho, Hitachi-shi, Ibaraki 317-8511
Tel:
+81-294-21-1111
Access:
20 mins. on foot from Kaigan exit of JR Hitachi Sta.

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