Sholes and Glidden typewriter length. The redesigned platen also introduced the modern spacing functionality (horizontal and axial movement providing letter and line spacing, respectively). The cylindrical platen became "an indispensable part of every standard [typewriter]". By the end of 1872, the appearance and function of the typewriter had assumed the form that would become standard in the industry and remain largely unchanged for the next century. Although the machine possessed a cylindrical platen and what was essentially a QWERTY keyboard, two design elements that would later become essential were lacking: the ability to write in upper and lowercase letters and "visible" print. Although the
A Roller Skating Jam Named "Saturdays" 4:02 B1 "A Roller Skating Jam Named "Saturdays"" (Radio Home Mix) - 3:42 B2 "A Roller Skating Jam Named "Saturdays"" (Dave's Home Mix) - 6:23 B3 "A Roller Skating Jam Named "Saturdays"" (6:00 AM Mix) - 6:07 B4 "A Roller Skating Jam Named "Saturdays" (Mo Mo Dub) - 6:03 A "A Roller Skating Jam Named "Saturdays"" (Disco Fever Edit) - 4:04 B "A Roller Skating Jam Named "Saturdays"" (Radio Home Mix) 3:42 A Roller Skating Jam Named "Saturdays" "A Roller Skating Jam Named "Saturdays"" is the first single by American hip hop trio De La Soul from their second studio