国立アメリカ歴史博物館のインスタグラム(amhistorymuseum) - 1月7日 02時10分

Today in 1838: In Morristown, New Jersey, Samuel Morse's telegraph system is demonstrated for the first time.
This 1844 telegraph key by Alfred Vail, improving on Morse's original design, is believed to be from the first Baltimore-Washington telegraph line. #earlytexting

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する