Mark Twain, Amateur Typist

ARTFORD, DEC. 9, 1874.
MY DEAR HOWELLS: I WANT TO ADD A SHORT PARAGRAPH TO ARTICLE NO. 1, WHEN THE PROOF COMES.
MERELY A LINE OR TWO, HOWEVER.
I DONT KNOW WHETHER I AM OGING TO MAKE THIS TYPE-WRITING MACHINE GO OR NTO, THAT LAST WORD WAS INTENDRED FOR N-NOTE BUT I GUESS I SHALL MAKE SOME SORT OF A SUCC SS OF IT BEFORE I RUN IT VERY LO G. I AM SO THICK-FIN-GERED THAT I MISS THE KEYS.
YOU NEEDNT A SWER THIS; I AM ONLY PRACTICING TO GET THREE ANOTHER SLIP-UR THERE,:
ONLY PRACTICING TO GET THE HANG OF THE THING:
I NOTICE I MISS FIRE & GET IN A GOOD MANY UNNECESSARY LETTERS & PUNCTUATION MARKS, I AM SIMPLY USING YOU FOR A TARGET TO BANG ATEBLA-ME MY CATS BUT THIS THING REQUIRES GENIUS IN ORDER TO WORK IT JUST RIGHT:
Source: Shift Happens vol. 1 by Marcin Wichary

This was Mark Twain’s version of the Sent from my iPhone typo excuse.