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In ancient times, mirrors were made of bronze containing a relatively large amount of tin. This produced a bronze which could be polished to a highly reflective surface. Over time this surface has corroded, meaning the metals have converted to a mineral form, resulting in a mottled dark green patina. This type of patina forms over long periods of time during burial.

Page data

Page
2
Source index
0
Type
photo
Media ID
65ff46d3f3350336
Size
unknown

Document data

ID
7537
Core
obj
Type
object
DTO data
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    "id": "7537",
    "sourceUrl": "https://purl.thewalters.org/art/54.92",
    "contentType": "object",
    "stage": "normalized",
    "title": "Mirror with a Lasa (Winged Mythological Maiden) and Hercules",
    "description": "In ancient times, mirrors were made of bronze containing a relatively large amount of tin. This produced a bronze which could be polished to a highly reflective surface. Over time this surface has corroded, meaning the metals have converted to a mineral form, resulting in a mottled dark green patina. This type of patina forms over long periods of time during burial.",
    "provenance": "Madame E. Warneck Collection Sale, Hôtel Drouot, Paris, 1905, lot  264. Henry Walters, Baltimore, [date and mode of acquisition unknown]; Walters Art Museum, 1931, by bequest.",
    "date": "late 4th century BCE (Hellenistic)",
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    "rightsUri": "CC0",
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    "dimensions": [
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        }
    ],
    "dimensionsRaw": "H: 11 15/16 x W: 6 3/16 in. (30.4 x 15.7 cm)"
}

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Document identity
{
    "localId": "7537",
    "label": "Mirror with a Lasa (Winged Mythological Maiden) and Hercules",
    "core": "obj",
    "dtoType": "object",
    "citationUrl": "https://purl.thewalters.org/art/54.92"
}
Document source metadata
{
    "id": "7537",
    "sourceUrl": "https://purl.thewalters.org/art/54.92",
    "contentType": "object",
    "stage": "normalized",
    "title": "Mirror with a Lasa (Winged Mythological Maiden) and Hercules",
    "description": "In ancient times, mirrors were made of bronze containing a relatively large amount of tin. This produced a bronze which could be polished to a highly reflective surface. Over time this surface has corroded, meaning the metals have converted to a mineral form, resulting in a mottled dark green patina. This type of patina forms over long periods of time during burial.",
    "provenance": "Madame E. Warneck Collection Sale, Hôtel Drouot, Paris, 1905, lot  264. Henry Walters, Baltimore, [date and mode of acquisition unknown]; Walters Art Museum, 1931, by bequest.",
    "date": "late 4th century BCE (Hellenistic)",
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    "rightsUri": "CC0",
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    "imageCount": 3,
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        }
    ],
    "dimensionsRaw": "H: 11 15/16 x W: 6 3/16 in. (30.4 x 15.7 cm)"
}
Document source extras
{
    "cul": "Etruscan",
    "med": "engraved bronze (lost-wax cast)",
    "creator_ids": [
        "6291"
    ],
    "collection_ids": [
        "ROM"
    ],
    "exhibition_ids": [
        "34"
    ]
}
Page context
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    "pageIndex": 0,
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    "url": "https://art.thewalters.org/images/raw/PS4_54.92_Rev_DD_AT23_45331-tms.jpg",
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