Why does the letter on the computer keyboard not in alphabetical order?
About 150 years ago, all papers and letters were handwritten with ink pens, and every 1 to 2 words people had to tap on ink bottles making writing very slow and easy to dirty. .The life and inventions of a man thinking of a spoon-fork
The story behind mankind has the invention for life, one of the extremely difficult but extremely useful tools of mankind.141 years, the first typewriter of mankind
Tep, tep, tep, tep, tep, ... Ting! On June 23, 1868, 141 years ago, Christopher Latham Sholes's typewriter was patented on 79,265.