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Treatment of an Archeological Glass Goblet

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Before Treatment

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After Treatment

Object: Roman Glass Goblet
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Date: 200-399 AD
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Acc.#: 86-35-30
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Complete
Materials: Soda-lime-silica glass (estimated)
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Collection: University of Pennsylvania Museum of Archaeology and Anthropology
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Excavation Site: Unknown, possibly Syrian
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Cleaning old adhesive from break edges.

Treatment Overview

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  • Analytical reseasrch

  • Surface cleaning

  • Reversal of previous joins

  • Local consolidation of unstable corrosion

  • Cleaning the break edges

  • Assembly

  • Paraloid B72 fills

  • Inpainting of the fills

  • Rehousing

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Condition
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Broken into six fragments, previously restored, with a join present in the bowl of the goblet.

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86-36-30_detail fragment 2_NL_BT_03_2019

Encrustations and iridescent corrosion from burial. Fragile surface with lifting corrosion layers

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​Unknown adhesives on break edges, fluorescing white and yellow in UV light

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Treatment

Click image below for treatment details

After Treatment
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Overall View. After Treatment. Normal Illumination

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Detail of Fill to the Bowl. After Treatment. Normal Illumination

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Detail of Fill to the Rim. After Treatment. Normal Illumination

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Overall View. After Treatment. Normal Illumination

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