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VICTOR LETOUZEY
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VICTOR LETOUZEY
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Application filed by VICTOR LETOUZEYfiledCriticalVICTOR LETOUZEY
Application grantedgrantedCritical
Publication of FR395464ApublicationCriticalpatent/FR395464A/fr
G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
G02B27/02—Viewing or reading apparatus
G02B27/022—Viewing apparatus
G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
G02B27/025—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and magnifying means
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
FR395464D1908-10-191908-10-19Appareil pour l'examen des vues photographiques sur support transparent, et plus particulièrement des clichés en couleur
ExpiredFR395464A
(fr)