ES219117A1 - Improvements in the portaobjectives for large wrap extensions (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements in the portaobjectives for large wrap extensions (Machine-translation by Google Translate, not legally binding)
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Improvements in the lens holders of large-size enlargers, characterized in that the front plate of the bellows of the enlarger is provided with a large opening and two aligned bearings, in which is mounted to oscillate an intermediate frame also provided with two bearings aligned forming angle with respect to the bearings of the plate, carrying coupled the bearings of the frame a proper lens holder, provided with the conventional means for mounting the lenses, the intermediate frame being connected by means of adjustment devices, on the one hand with the plate and, on the other with the lens holder itself. (Machine-translation by Google Translate, not legally binding)
ES219117A1954-12-201954-12-20Improvements in the portaobjectives for large wrap extensions (Machine-translation by Google Translate, not legally binding)
ExpiredES219117A1
(en)