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Apparatus for simultaneously viewing DIA positives and front viewed pictures
Apparatus for simultaneously viewing DIA positives and front viewed pictures
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机译:同时查看DIA阳性和正视图片的设备
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摘要
An apparatus for simultaneously viewing diapositives and front viewed pictures or images, especially transparent printed copies and prints produced therefrom under standardized illumination conditions, comprising a rear viewing device encompassing a support for supporting a diapositive or transparent positives or images and light source means arranged behind said support through which the light can be projected. There is also provided a front viewing device comprising a support for the front viewed image or picture and light source means arranged in front of said last- mentioned support. The rear viewing device and the front viewing device are hingedly interconnected with one another and can be selectively fixed in adjustable mutual angular positions relative to one another.
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