The AIC Painting Specialty Group POSTPRINTS VOLUME TWENTY-FOUR 2011 The American Institute for Conservation of Historic and Artistic Works The Paintings Specialty Group of the American Institute for Conservation of Historic and Artistic Works 2010-2011 Officers Chair Laura Rivers Program Chair Patricia Favero Secretary/Treasurer Dawn Rogala Nominating Committee Montserrat Le Mense, Chair Nicholas Dorman, and Joanna Dunn Listserv Moderator Chris Stavroudis Publications Chair Barbara Buckley Web Editor Christina Milton O’Connel The AIC Painting Specialty Group POSTPRINTS VOLUME TWENTY-FOUR 2011 Papers Presented at the 39th Annual Meeting of the American Institute for Conservation and Historic Works Philadelphia, Pennsylvania, May 31–June 3, 2011 Compiled by Barbara Buckley Layout by Meg Newburger Copyright © 2014 by the Paintings Specialty Group of the American Institute for Conservation of Historic and Artistic Works, 1156 15th St., NW, Suite 320, Washington DC 20005. All rights reserved. No part of this publication may be reproduced or used in any form or by any means with- out written permission of the American Institute for Conservation of Historic and Artistic Works. Publication of this serial began in 1988. Except for Volume 3 (1990) all issues until Volume 16 are unnumbered. Beginning with Volume 22, the title year will be the meeting year and not the pub- lication year. The papers presented in this publication entitled AIC Paintings Specialty Group Postprints, Volume Twenty-four, 2011 have not been edited and have not undergone a formal process of peer review. The publication is intended primarily for the members of the Paintings Specialty Group of the Ameri- can Institute for Conservation of Historic and Artistic Works. The Paintings Specialty Group is an approved division of the American Institute for Conservation of Historic and Artistic Works, but does not necessarily represent AIC policies or opinions. Opinions expressed in this publication are those of the contributors and not official statements of either the Paintings Specialty Group or the American Institute for Conservation of Historic and Artistic Works. Responsibility for the materials and methods described herein rests solely with the contributors. ISSN 2169-3919 Printed in the United States of America AIC PAINTINGS SPECIALTY GROUP POSTPRINTS VOLUME 24 2011 ANNUAL MEETING Papers Presented at the 39th Annual Meeting of the American Institute for Conservation of Historic and Artistic Works Philadelphia, Pennsylvania, May 31–June 3, 2011 PAINTINGS SPECIALTY GROUP June 2, 2011 Giovanni Antonio Boltraffio’s Madonna and Child in the Context of Leonardo da Vinci’s Studio Practice Sue Ann Chui and Alan Phenix ...............................................................................................................................................1 A Neoclassical Mystery: The Technical Study and Treatment of an Iconic French Portrait (Abstract) Kristin Deghetaldi and Kathryn Morales ................................................................................................................................13 A Comparison of the Pigments Mentioned in Delacroix’s Diary with Those Found in the Oil Sketch and Final Version of Bacchus and Ariadne (Abstract) Narayan Khandekar, Sarah Kianovsky, and Katherine Eremin ..................................................................................................14 Attributed to Henri Rousseau: The Technical Examination of La Sainte Famille Katrina A. Bartlett .................................................................................................................................................................16 When You Come to a Fork in the Road, Take It: Two Directions for the Conservation of an Anselm Kiefer Per Knutås ............................................................................................................................................................................31 Choices Post-Mortem in Joan Mitchell’s Work: Cropping Paintings Mary Gridley ........................................................................................................................................................................37 PAINTINGS SPECIALTY GROUP June 3, 2011 A Soluble Problem: Morse’s The Gallery of The Louvre, Glazing, and Toning Lance Mayer and Gay Myers..................................................................................................................................................53 An Experimental Study on the Merits of Virtual Cleaning of Paintings (Abstract) John K. Delaney, Damon Conover, Mathieu Thourya, Ken Fleisher, E. René De La Rie, M. Picollo, Andrea Casini, Lionel Simonot, and Muriel Vervat .........................................................................................................................................61 The Construction and Reconstruction of a Spanish Retable Judy Dion .............................................................................................................................................................................62 Industrial Literature as a Resource in Modern Materials Conservation: Zinc Oxide House Paint as a Case Study Dawn V. Rogala .....................................................................................................................................................................78 The Salmagundi Palette Collection Alexander W. Katlan ............................................................................................................................................................92 AIC Paintings Specialty Group Postprints 24 (2011) The Long-term Relationship between a Museum Collection and Contracted Conservator Explored through the Treatment of Spring Turning by Grant Wood Ruth Barach Cox ..................................................................................................................................................................97 Raman Revealed: A Shared Internet Resource for the Cultural Heritage Community Suzanne Quillen Lomax, Beth A. Price, Charles Davis, Boris Pretzel, Marcello Picollo, And Ryan Grieb ................................107 Speed, Precision, and a Lighter Load: Metigo MAP 3.0, a Great Advancement in Condition Mapping for Large-Scale Projects Emily Macdonald-Korth .....................................................................................................................................................115 Microclimate and Anoxic Frames (Abstract) Judith Bannerman, Zane Cunningham, Amanda Heath, Mark Underhill, and Joyce H. Townsend ...........................................120 A Cleaning Application of Poly (Vinyl Alcohol-Co-Acetate)/ Borate Gel-Like Dispersions on Multiple Views by Stuart Davis Lora V. Angelova, Kristin R. deGhetaldi, Christopher A. Maines, Richard G. Weiss, and Barbara H. Berrie...............................121 Developing Cleaning Systems for Water-Sensitive Paints By Adjusting pH and Conductivity Tiarna Doherty, Chris Stavroudis, and Jennifer Hickey .........................................................................................................125 STUDIO TIPS SESSION ...................................................................................................................................................136 Studio Tip: Slim Light for Use in Painting Conservation Barbara A. Ramsay ..............................................................................................................................................................136 Studio Tip: Do It Yourself Snakes: Easy, Versatile, Skinny Bag Weights for Conservation Use Montserrat Le Mense and Gabriel Dunn ..............................................................................................................................138 Studio Tip: Rottenstone For In-Painting Montserrat Le Mense and Gabriel Dunn ..............................................................................................................................142 Studio Tip: Don’t Panic: Use HITS: K-12 Conservation Outreach Erin L. Kelly .......................................................................................................................................................................144 Studio Tip: How to Make an iphone Microscope Camera Ana Alba .............................................................................................................................................................................147 Studio Tip: Customized Fume Extraction Hoods Dean Yoder .........................................................................................................................................................................148 AIC Paintings Specialty Group Postprints 24 (2011) sue ann chui and alan phenix Giovanni Antonio Boltraffio’s Madonna and Child in the Context of Leonardo da Vinci’s Studio Practice ABSTRACT As part of a conservation partnership with the Szépmüvészeti Múzeum, Budapest, Hungary, the Madonna and Child attributed to Giovanni Antonio Boltraffio came to the J. Paul Getty Museum in May 2008 for treatment and study. This paper will present aspects of the conservation and restoration treatment of the Madonna and Child, and review results obtained from the technical study done in collaboration with the Getty Conservation Institute that includes infrared reflectography, x-radiography, and analysis of paint cross- sections. Some of the notable findings in the Madonna and Child are evidence to the direct use