Word: aqueous
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Dates: during 1977-1977
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...cathedral: The Tree of Jesse, The Childhood of Christ and The Passion. The windows were taken down, disassembled piece by piece and sent to a government laboratory outside Paris for testing, then to a Paris atelier for cleaning. The grime was removed with cotton swabs wet with an aqueous solution called E.D.T.A. On went a coat of Viacryl, a synthetic polyurethane resin meant to protect the pocked and flawed surface of the 800-year-old glass. The windows were put back together, re-leaded, and replaced in the wall. And down came an avalanche of protest. The restoration...