The collection / Navigation and mapping
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Sounding leadsPlatform, near the site dubbed « La Faille », on which many...0
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Sounding leadsSounding leads were used to determine the water depth and...0
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Sounding leadsSounding lead. This particularly heavy lead was found at...0
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Sounding leadsSounding lead. The Faille site, wreck of the Boussole.0
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Sounding leads Small lead tubes used as weights on ropes. Wrecks of the...0
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Sounding leadsThis lead tube still contains a piece of hemp rope. The...0
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InstrumentsFortunate discovery of a graphometer aboard the Astrolabe.0
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InstrumentsProportional compass, graphometer, spirit level, piece of a...0
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InstrumentsGraphometer made of copper alloy, made by Langlois,...0
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InstrumentsAzimuth compass of the Langlois graphometer0
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InstrumentsInstrument handle, believed to be from the Langlois...0
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InstrumentsSandglasses.
Wrecks of the Boussole and the Astrolabe.0
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InstrumentsAt sea, marine sandglasses were used to determine the time...0
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InstrumentsSandglass discovered on the Boussole. Drawing: Marie-...0
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InstrumentsParts of the Langlois quadrant. Each archaeological...0
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InstrumentsMobile quadrant with two telescopes, Paris, 1746 - Langlois...0
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InstrumentsMounting piece for the limb of the Langlois quadrant....0
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InstrumentsIdentification plate from the quadrant bearing the coat of...0
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InstrumentsPart of the Langlois quadrant. Drawing: Marie-Noëlle...0
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InstrumentsAzimuth compass. The Faille site, wreck of the Boussole.
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InstrumentsThe azimuth compass bears a signature: « Gregory...0
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InstrumentsAzimuth compass. Brass alidade and compass rose. Drawing:...0
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InstrumentsDifferent parts of the azimuth compass.
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InstrumentsGraduated part of the Gregory compass.
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InstrumentsRear part of a telescope made by Dollond, London. It almost...0
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InstrumentsRear section of the telescope.
Drawing: Marie-Noëlle...0
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InstrumentsDiscovery of the Mercier sextant. The Faille site, wreck of...0
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InstrumentsDespite the violent wrecking of the vessel and two...0
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Instruments
The signature found on the sextant, Mercier, concluded two...0
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InstrumentsVery few elements are missing from the Mercier sextant....0
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InstrumentsSextants and dividers.0
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InstrumentsRamsden sextant. The Faille site, wreck of the Boussole.0
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InstrumentsProportional compass or « King’s foot » and dividers.0
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InstrumentsBrass dividers.
The Faille site, wreck of the Boussole.0
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InstrumentsMiraculously well preserved capillary of an alcohol...0
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InstrumentsElements of various instruments, Wrecks of the Boussole and...0
