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    • Testing solubility on a Lutheran Archives Center journal

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2013

Wednesday November 20 2013

Photos and stereoview cards from West of the One Hundredth Meridian

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    • Rachel Wetzel surface cleaning an O'Sullivan photograph from the US Army Corps of Engineers
    • Marianne de Bovis inpainting an O'Sullivan photograph from the US Army Corps of Engineers
    • Jilliann Wilcox reinforcing a corner of an O'Sullivan photo from the US Army Corps of Engineers
    • US Army Corps of Engineers O'Sullivan photograph
    • US Army Corps of Engineers O'Sullivan stereoview card

Timothy O'Sullivan's images of scenic views and ancient ruins were among the first taken of the Southwest. Some of his photographs and stereographs from the 1871-1874 "United States Geographical Surveys West of the One Hundredth Meridian" recently arrived at CCAHA.

Tuesday October 22 2013

Treating much-used volumes of Alexander Wilson's American Ornithology

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    • Surface cleaning American Ornithology 2
    • Plates from American Ornithology
    • Surface cleaning American Ornithology
    • Applying mend to American Ornithology

The State Library of Pennsylvania recently brought their nine American Ornithology volumes to CCAHA for treatment. Those who had handled the much-used books in the past couple centuries left behind stains and grime.

Tuesday August 27 2013

Reducing stains on a crayon portrait of Eli K. Price, founder of The Woodlands

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    • Crayon portrait of Eli K. Price, before treatment (The Woodlands 13.213)
    • Reducing stains on crayon portrait (The Woodlands 13.213)
    • Inpainting crayon portrait (The Woodlands 13.213)
    • Crayon portrait, during treatment (The Woodlands 13.213)
    • The Woodlands cemetery, mansion, and historic landscape

The Woodlands cemetery in West Philadelphia looks the same as it did in the 1840s, when Eli K. Price planned it as a beautiful, park-like space. CCAHA is currently treating a severely stained c. 1865 crayon portrait of Price.

Wednesday May 29 2013

Uncovering details on maps by Louis XV's Royal Geographer

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    • Surface cleaning Louis XV Dedication Manuscript Map
    • Brushing ethanol gel onto Louis XV Dedication Manuscript Map
    • Removing varnish from Louis XV Dedication Manuscript Map
    • Louis XV Dedication Manuscript Map BT
    • Louis XV Dedication Manuscript Map DT

Louis XV was eight years old when Guillaume Delisle, Royal Geographer, became his personal geography instructor. Two years later, in 1720, Delisle presented his pupil with these round manuscript maps, which are now receiving treatment at CCAHA.

Monday March 25 2013

Treating Pennsylvania's first constitution

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    • Immersing PA Constitution of 1776 12.397
    • Removing mounts from PA Constitution of 1776 12.397
    • Reducing adhesive on PA Constitution of 1776 12.397
    • Removing old mend from PA Constitution of 1776 12.397
    • Filling a loss in PA Constitution of 1776 12.397
    • Filling a loss on last page of PA Constitution of 1776 12.397
    • Step two in filling a loss in PA Constitution of 1776 12.397
    • Toning a fill in PA Constitution of 1776 12.397
    • Close-up toning a fill in PA Constitution of 1776 12.397

Pennsylvania's first constitution, written by Benjamin Franklin (among others) in 1776, has been described as the most democratic in America. It recently traveled from the Pennsylvania State Archives in Harrisburg to CCAHA for conservation treatment.

Thursday January 17 2013

Reducing fixative and retouches on Jacob Lawrence's Hiroshima series

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    • Reducing fixative on a painting from Lawrence's Hiroshima series (PAFA 12.121)
    • Housing a painting from Lawrence's Hiroshima series (PAFA 12.121)
    • Street Scene from Lawrence's Hiroshima series (PAFA 12.121)
    • Market from Lawrence's Hiroshima series (PAFA 12.121)

In his Hiroshima series, Jacob Lawrence painted eight scenes that took place at the moment that the atomic bomb dropped. The Pennsylvania Academy of the Fine Arts brought all eight paintings to CCAHA to address two main condition issues.