"In many workshops and offices it is regularly attempted to achieve both direct and semi-indirect lighting by means of large, single, light sources, that is, to work only with ample general lighting. Yet as pleasant as this type of lighting may be, in many cases it proves unsatisfactory on account of certain inherent shortcomings"1 So opined in 1926 the German engineer Curt Fischer. Rhetorically. For in 1919 he had already patented his first solution to resolving such "inherent shortcomings".
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