Inter-Society Color Council News
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Inter-Society Color Council News Number 298 November-December 1985 HELP WANTED Wintertur; Max Saltzman: Elizabeth FitzHugh, Freer Ga llery: I he pll'>l'nt editor of the ISCT ~ews is resigning Robert Feller, Mellon; W. A. Thornton, Prime-Color: and Jolm allll we arc actively looking for a new editor. If Asm us, USC . Ample time will be ava ilable to visit the restoration of anyone is in terested in ben11ning a more active Colonial Will iamsburg which is within short walking distance partk!pant in the ISC'C and wou ld like to volu n of the lodge. An additional attraction this year is the newly teer to help please w ntact Joyce Davenport. See opened DeWitt Wallace Decorator Arts Gallery. This conrains many British and American antiques of the 17th and I 8th cen the last page of this issue for he r address and phone turies, never before exhibited because they did not relate di nunther:Washington. D.C. area lSCT members rectly to Williamsburg. please note. Registration forms may be obtained from 1 orman W. Burningham, 357 True Hickory Dr .. Rochester, .Y. 14615. UPCOMI NG 1986 ANNUAL MEETING CONFERENCE ON ART RESTORATION The 1986 Annual ISCC meeting will be held at Ryerson Poly The Inter-Society Color Council will hold a conference en te chn ical Institute in Toronto, Ontario, Ca nada from June titled, "Colorsof History: Identification, Re-Creation, Preser 15 th through 18th. It will be a joint meeting with the Canadian vat ion," at the Lodge, Colonial Williamsburg , February 9 to Society for Color. The full-day symposiu m topic will be Color I 2, 1986. Papers by invited speakers will discuss various Reproduction: State-of-the-Art. The intent of this sy mposium specialties. The audience will include experts from the many is to present to the audience the latest scientific technology disciplines that make up ISCC and who can enrich subsequent and artistic techniques used in the color reproduction of an discussions. original, wh ich may be an existing physical object or a creative There is a growing interest in the restoration of the interiors idea conceived from an artist's rnind. Robin Hopper, an inde and exteriors of historic houses and in the reproduction of the pendent craftsman an d author, will present a talk on Color textiles and wallpapers contemporary with them. Custodians in Ceramics. A representative from the Canadian Broadcasting strive to restore and maintain the integrity of various types of Corporation will discuss Color in High Definition Television. art. Questions arise concerning the identification of the colors Helen Delp from Dupont will share information on Color Re of paints, pigments, and dyes used in times past. The co nfer production in the Automotive Indust ry. Robert Buckley of ence will review the latest knowledge and techniques of Xerox wi ll talk on Color Xerography and Non-! mpact Prin ting experts. Technology. Pa ula J. Alessi fr om Eastman Kodak will discuss The technical program has been organized by Dr. Robert L. 1ew Developments in Color Reproductior; of Negative/Positive Feller of Carnegie-Mellon University , Pittsburgh, where he is Photographic Systems. Richard Ingalls of Target Color Tech Director of the Research Center on the Materials of the Artist nology will present a discussion of the Transfer of Color from and Conservator. He has been consultant for the US ational Video Display to a Hardcopy Medium. A representative from Gallery of Art for many years. His work on varnishes and the the graphic arts design industry will be named to discuss such effect of light upon colorants has been widely praised. Dr. techniques as silk screen or lithography. Danny C. Rich of Applied Color Systems, Princeton, 1.1 ., is In addition to the project subcommittee meetings. three assisting. Topics to be covered are interior and exterior archi workshops will be conducted. The first entitled, Update on tectu re, wallpaper and textile sampling and reproduction, OSA Uniform Color Scales, will be directed by Nick Hale of transportation including aircraft camounage, identification of Hale Color Consul tants. The second will be given by Ralph ancient and modern colorants, metamerism, fadi ng, and Stanziola covering the topic of Usi ng CIELAB for Develop enhancement. me nt of a Universal Color Card. The third will deal with gen Among the speakers will be Na than Stolow, Colonial eration of electronic images. Many thanks to Joy Turner Luke Williamsburg; Morgan Phillips, New England Antiquities; for arranging these workshops. Andrea Gil more, Charlestown Navy Yard; Margaret Fikioris, If anyone has an y questions concerning this mee ting, please direct them to Dr. Peter Kaiser, Department of Psychology, Method E 308-85 has only five pages of text describing how York University, 4700 Keele Street, North York, Ontario to use the material contained in the numerous tables. Data are M3J1P3, 416-667-6335, or to Paula J. Alessi, Eastman Kodak given for the spectral tristimulus values (color-matching func Company, 1669 Lake Avenue, Rochester, New York 14650, tions) for the CIE Standard (2°) Observer and for the CIE 716-477-7673. 1964 Supplementary Standard (10°) Observer at 5 nm inter Paula J. Alessi vals from 380 to 780 nm. Likewise spectral power distribu tions are given for CIE Standard Illuminants A, C, Ds o, Dss, ISCC STANDING RULES D6s, and D75, and for CIE Fluorescent Illuminants F2, F7, and F11. The peculiar numbering sequence for F illuminants re At its meeting in Toronto September 18, 1985 the Board of sults from the fact that these three distributions were selected Directors approved the following change in the Standing Rules. for special emphasis by the CIE from a group of twelve. They The object is to extend the scope of the Membership Commit· represent, respectively, a cool-white lamp at 4200 K, a broad tee to cover individual members. band daylight lamp at 6500 K, and a narrow-band white lamp From the first sentence of the first paragraph delete the at 4000 K. The Membership Committee shall be word "only," leaving: Finally Method E 308-85 contains tables of weights for the responsible for recommending new Member-Bodies to the two observer functions in combination with each of the nine Council after investigating the qualifications of the prospective illuminant spectral power distributions for data obtained for Member-Body as set forth in Section 2(a) of the By-Laws. This either 10 or 20 nanometer spectral intervals, 36 tables in all. activity will promote the aims and purposes of the Council in These tables have been carefully computed according to the bringing closer together the artists, designers, scientists, and procedures prescribed by the CIE. When different laboratories engineers for the purpose of carrying on the dialog on color make computations from the same spectral data and use these applications and problems. tables, they will obtain the same CIE tristmulus values to Add a new sentence as a second paragraph: The Committee within 0.02. If larger differences are observed, it must be as shall actively solicit new individual memberships in the sumed that the laboratories are using different spectral data. Council.' The method also provides a standard procedure for dealing The prsent second paragraph becomes the third, unchanged: with missing spectral data, that is, cases in which data are not liaison should also be maintained with the chairman of the available for the complete wavelength.range, 380 to 780 nm. Individual Member Group to insure the continued strength and Method E 308-85 is available from ASTM, 1916 Race participation of this important segment of the Council mem Street, Philadelphia, PA 19103, for $8.00 less 20% to ASTM bership. The Secretary's Office shall be responsible for recom members. A check with your order will eliminate the postage mending new individual members to the Board of Directors and handling fee. after investigating their qualifications. · Committee E-12 is presently developing a Standard Prac Thomas G. Webber tice for Obtaining Spectrophotometric Data as a companion to By-Laws E 308-85 because the latter deals only with computation. hi addition, a new subcommittee (E-12.07)has been formed on Color Order Systems, W. N. Hale, Jr., Chairman, that will re NEWS OF MEMBER BODIES view and compare the merits of various color order systems In 1985 there were 143 Technical Committees in ASTM. supplied with color atlases such as Munsell, NCS (Swedish), Committee D-1 on Paint and Related Coatings and Materials is and DIN (German). Both the NCS and the DIN systems have one of the oldest, having been organized in 1902. Several of texts published in English. the ISCC delegates belong to the Optical Properties Subcom· Important activities in the Optical Properties Subcommittee mittee and to Committee E-12 on Appearance of Materials, of the Paint Committee are: (1) Revision ofD 1535, Stand- organized much more recently (1948). ard Method of Specifying Color by the Munsell System. The ASTM committees dealing yvrith color and appearance prop revision will include equations and a table to relate Munsell perties endeavor to maintain close liaison with the International Value functions to the CIE standard perfectly reflecting dif Commission on Illumination (CIE) because it is from CIE fuser rather than to magnesium oxide as was done previously. documents that we obtain information from which to draft (2) Revision of D 2244, Standard Method for Instrumental new or revised standards in this field. The 48-page revision of Evaluation of Color Differences of Opaque Materials. The title E 308 titled "Standard Method for Computing the Colors of has been changed to "Method for Calculation of Color Differ Objects by Using the CIE System" was published in April 1985 ences from Instrumentally Measured Color Coordinates" in as a separate document and shortly afterward it appeared in order to clearly indicate that the method does not describe Volume 14.02 of the 1985 Annual Book of ASTM Standards.