Typewriter the first major typewriter with these features. However, older "nonvisible" models continued in production to as late as 1915. A significant innovation was the shift key, introduced with the Remington No. 2 in 1878. This key physically "shifted" either the basket of typebars, in which case the typewriter is described as "basket shift", or the paper-holding carriage, in which case the typewriter is described as "carriage shift". Either mechanism caused a different portion of the typebar to come in contact with the ribbon/platen. The result is that each typebar could type two different characters, cutting the number of keys and
Roller disco Roller disco A roller disco is a discothèque or skating rink where all the dancers wear roller skates of some kind (traditional quad or inline). The music played is modern and easily danceable, historically disco but in modern times including almost any form of dance, pop or rock music. The concept originated as a fad in the 1970s when the disco craze was at its height, peaking around 1980 and inspiring several roller-disco magazines. In 1984 the fad arrived in the United Kingdom and many roller discos popped up all over the country , the craze has largely discontinued, although