ES56298U - An apparatus to examine slides and negatives of photographic film (Machine-translation by Google Translate, not legally binding)
- Google Patents
An apparatus to examine slides and negatives of photographic film (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Mampel Asens SA
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Mampel Asens SA
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Application filed by Mampel Asens SAfiledCriticalMampel Asens SA
Priority to ES0056298UpriorityCriticalpatent/ES56298Y/en
Publication of ES56298UpublicationCriticalpatent/ES56298U/en
Application grantedgrantedCritical
Publication of ES56298YpublicationCriticalpatent/ES56298Y/en
An apparatus for examining slides and negatives of photographic film, characterized by being composed of two half boxes, with a folding support foot, inside which are housed a pair of batteries with the corresponding electrical connections, switch from outside and lampholder with light bulb that illuminates an opal plate fixed to one of the half boxes, next to which there are two independent guides for the passage of continuous film, and frames of isolated slides, existing in the upper part of the device a convergent lens of rectangular outline and position variable. (Machine-translation by Google Translate, not legally binding)
ES0056298U1956-09-141956-09-14
An apparatus for examining photographic film slides and negatives
ExpiredES56298Y
(en)
A device for calculating the exposure of photographic enlargements and the degree of contrast of paper to be used for them by a two-light corporation (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of fixed view projectors for opaque and transparent bodies (Machine-translation by Google Translate, not legally binding)