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GALILEO OFF
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Publication of FR459353ApublicationCriticalpatent/FR459353A/fr
G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
G02B23/08—Periscopes
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Physics & Mathematics
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Astronomy & Astrophysics
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General Physics & Mathematics
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Optics & Photonics
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FR459353D1912-06-271913-06-17Perfectionnements dans les périscopes
ExpiredFR459353A
(fr)