国立アメリカ歴史博物館のインスタグラム(amhistorymuseum) - 6月26日 04時05分

These artifacts related to Serbian-American inventor Nikola Tesla were on temporary display today. Watch out for a podcast on Tesla and the electric age from @SI_Invention. Lower right: an 1886 certificate from the Tesla Electric Light and Manufacturing Co. for 12 shares of stock, $100 per share. Lower left: a Tesla AC motor. Upper right: a fan motor without blades.

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する

• SI_Invention