国立アメリカ歴史博物館のインスタグラム(amhistorymuseum) - 2月8日 21時46分

Dashing into work this morning, we noticed this impeccable gent and his enviable composure. While we tend to commute in chaotic disarray, he uses a handy "book clamp" to stay organized on the go. This is an ad from around 1868 for Miller & Watson's Patent Book Clamp.
Have a neat day, history fans.
Warshaw Collection of Business Americana, 1724-1977, Archives Center, National Museum of American History.
#AdvertisingHistory #BookNerds #Lifehacks #Invention #Innovation

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する