When was the Scottish-born scientist died after whose invention "Kōbushō" had started an effort to make telephone receivers?
Oki Kibatarō Oki Kibatarō (沖 牙太郎 , 1848–1906) was an engineer formerly employed at a Japanese Ministry of Industry ("Kōbushō") factory. In 1877, only a year after Alexander Graham Bell's invention, "Kōbushō" had started an effort to make telephone receivers by reverse engineering and Oki was in the team that came up with the first prototype.
Charles Macintosh Charles Macintosh FRS (29 December 1766 – 25 July 1843) was a Scottish chemist and the inventor of waterproof fabric. The Mackintosh raincoat (the variant spelling is now standard) is named after him.