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A Magna Doodle drawing board. Magna Doodle is a magnetic drawing toy, consisting of a drawing board, a magnetic stylus, and a few magnet shapes.Invented in 1974 by Pilot Corporation, [1] over forty million units have been sold to date worldwide, under several brands, product names and variations, including Tyco and Mattel/Fisher Price.
The Magic Slate consists of a piece of rigid cardboard the size of a small clipboard that is covered with dark waxed paper on one side, a sheet of translucent plastic film that covers the waxed paper and is affixed to the top of the board, and a blunt stylus made of wood or plastic.
Magnetic-tape data storage is a system for storing digital information on magnetic tape using digital recording. Tape was an important medium for primary data storage in early computers, typically using large open reels of 7-track , later 9-track tape.
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File cabinets are the most reliable way to store important paper documents. File cabinets save time and energy during work by offering files and papers stored in a designated place. The file cabinet is a useful tool for any office as paper used clutter desks and other places. Filing cabinets reduce the chance to loss of company information and ...
A manila folder (sometimes referred to as manilla folder) is a file folder designed to contain documents, often within a filing cabinet. It is generally formed by folding a large sheet of stiff card in half. Though traditionally buff, sometimes other colors are used to differentiate categories of files.
The cabinet card was a style of photograph that was widely used for photographic portraiture after 1870. It consisted of a thin photograph mounted on a card typically measuring 108 by 165 mm ( 4 + 1 ⁄ 4 by 6 + 1 ⁄ 2 inches).
Magnetophon was the brand or model name of the pioneering reel-to-reel tape recorder developed by engineers of the German electronics company AEG in the 1930s, based on the magnetic tape invention by Fritz Pfleumer. AEG created the world's first practical tape recorder, the K1, first demonstrated in Germany in 1935 at the Berlin Radio Show. [1 ...