Cards are placed in Visible Pockets— operated in Steel Trays AND Visible Card Records are composed of four parts: the fibreloid protected card pockets which are operated in steel trays; the card upon which entries are made; the steel tray which holds the card pockets; and the steel cabinet in which the trays are operated. The pockets are placed in steel trays where they overlap each other allowing a space at the bottom, forming a "visible margin." On the visible portion of the card the index matter is typed.. Also on this visible margin fool-proof coloured signals are used to chart important facts, Whether your organization be large or small, to-day is the time to investigate what RAND will do for your business.
Text read from the printed page and cleaned; old type leaves the occasional error.