Keyboard layout France, Belgium, and some African countries. It differs from the QWERTY layout thus: Lithuanian keyboards use a layout known as ĄŽERTY, where Ą appears in place of Q above A, Ž in place of W above S, and Ū in place of X below S, with Q, W, and X being available either on the far right-hand side or by use of the AltGr key. Besides ĄŽERTY, the Lithuanian QWERTY keyboard is also used. The QZERTY layout was used mostly in Italy, where it was the traditional typewriter layout. In recent years, however, a modified QWERTY layout with stressed keys
QWERTY Edison's 1872 electric print-wheel device which later became the basis for Teletype machines; Lucien Stephen Crandall's typewriter (the second to come onto the American market) whose type was arranged on a cylindrical sleeve; the Hammond typewriter of 1887 which used a semi-circular "type-shuttle" of hardened rubber (later light metal); and the Blickensderfer typewriter of 1893 which used a type wheel. The early Blickensderfer's "Ideal" keyboard was also non-QWERTY, instead having the sequence "DHIATENSOR" in the home row, these 10 letters being capable of composing 70% of the words in the English language. Alternating hands while typing is a desirable trait