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
This Is Roller Derby This Is Roller Derby This Is Roller Derby is a 2011 Australian documentary film by Daniel Hayward on four Australian roller derby teams over the course of a season. The film features members from roller derby associations from Australia and the United States, primarily the Ballarat Roller Derby League. The DVD for the film released on 20 February 2013. The film follows four Australian roller derby leagues, Ballarat, Adelaide, Canberra and Geelong, over the course of twelve months, and documents the start of roller derby in Australia and overseas. The film was directed by Daniel Hayward and features members from