Message-Id: <199610221938.OAA13954@library.wustl.edu> Date: Tue, 22 Oct 1996 14:31:29 -0500 From: George Holmes <mailto:george.holmes@MAIL.UTEXAS.EDU> Subject: Re: rec on 1) angle scanner and 2) dig camera To: Multiple recipients of list IMAGELIB
""while placing localized pressure on that part of the book being photographed to "incourage" planarity.""Would you share with us what was used to put localized pressure? thanks, George
>"Jeffrey S. Erickson" <mailto:jeericks@DAVIDSON.EDU> said:
>> Some companies which market photographic copystands offer as an
>>accessory a "book/document hold-down," usually consisting of a heavy sheet
>>of glass affixed to a stage. The glass is hinged in such a way as to be
>>able to "float" upwards and thus accommodate fairly thick volumes. I would
>>purchase one of these, and proceed as Robert recommends above.
>
>The technique I developed specifically does not use glass or plexi as a
>hold-down. For rare-book photography the use of glass to hold down two
>pages often stresses the spines and may actually damage the pages. I used a
>series of devices (mostly weights, clamps and supports) that held one side
>of the book up at nearly a 90 degree angle while placing localized pressure
>on that part of the book being photographed to "incourage" planarity.
>Scanners that can correct for the curvilinear distortion that is often part
>of this process might be a godsend. While my pictures may not have achieved
>"professional" standards by virtue of not having complete control over the
>disposition of the object, I can say that I never damanged a single book or
>a single page, and the results are of sufficient quality to be publishable
>in scholarly studies and monographs.
>
>
>
>Robert A. Baron
>Museum Computer Consultant
>P.O. Box 93, Larchmont, NY 10538
mailto:>rabaron@pipeline.comGeorge Holmes, MSGT-Ret/USAF Archer M Huntington Art Gallery The University of Texas 23rd and San Jacinto St Austin, Tx 78712-1205 Media Resource Manager Ph# 512.471.9194 Fax# 512.471.7023 ***********************I will not tolerate intolerance********************