fully functional early 1950's vintage american industrial "floating arm" adjustable factory draftsman clamp-on task lamp designed and fabricated by the dazor mfg. corp., st. louis, mo. the anodized bronze enameled pressed and folded tubular steel lamp contains a multi-faceted rectangular-shaped fluorescent lamp contains two intact phosphor-coated glass tubes with on/off push buttons visible near the topmost swivel joint. the localized lighting is accomplished by the patented "floating arm" supported by a strong enclosed spring force, acting through a shifting fulcrum. excellent working condition. surface wear (e.g., minor loss of paint, etc.) evident. the dazor mfg. corp. history began in 1938 when harry dazey teamed up with washington university professor albert perbal, to create a company that would manufacture lamps. harry dazey began his career by producing butter churns, but when mr. dazey came up with the idea for the "floating arm" portable light he decided to restructure his company into a lamp manufacturer that specialized in task lights. initially, dazor lights were used simply as table lamps, but after the beginning of world war ii, dazor lamps became famous for their high efficiency and lower costs. the government found that dazor's lamps helped to conserve energy and were cheaper than the traditional costly overhead lighting. dazor was also the first fluorescent lamp manufacturer to combine the technology of the portable task light with fluorescent light bulbs. the technology was highlighted in a display by general electric at the 1938 world's fair. the lamp became popular quickly, especially among draftsman and architects of the time who found that the lights offered better visibility than traditional incandescent lights. multiple "floating arm" lamps available. height off table 55" x light width 19".