"Low case" qwerty 欧文活版ケース

"Low case"　qwerty　欧文活版ケース　QWERTYUIOP
hellbox スペースアルク：英辞郎検索結果:
hellbox type
Type cases were one of the first examples of "time-and motion" studies.
"type case" qwerty OR qwertyuiop
"type case" qwerty OR qwertyuiop layout OR keyboard

We can presume that searching for the best letterkey layout, the inventors consulted composers. The fact that the ЙЦУКЕН layout is in some ways similar to the Russian type case is evident (which allows one to go further and draw conclusions regarding the similarity of the QWERTY layout to the Latin type case―comparing them is all it takes to see that, although this similarity is not mentioned in literature).
Kolomnin, P. (1899). Concise Printing Manual. St. Petersburg

All small letters in large sections in the middle of the type case stand in the middle of the Russian typewriter layout, too