APPENDIX I: Handout
LIBRARY OF CONGRESS
NATIONAL DIGITAL LIBRARY PROGRAM
and the CONSERVATION DIVISION
Session on Care and Handling of Library Materials for Digtial Scanning
In-House Course Handout
Part 1: Criteria for Selecting Items for Conservation Treatment before Digital Scanning
Part 2: Safe Handling of Library Materials – Review of Practices
APPENDIX I, Part 1
Criteria for Selecting Items for Conservation Treatment before Digital Scanning
1. Foldouts that require flattening or mending.
2. Pages with large tears across image area.
3. Folios in pamphlets that are bound by over-sewing or by stapling.
4. Pages dog-eared or creased in a way that obscures text/image.
5. Pages stuck together.
6. Uncut pages.
7. Books with text blocks that will not open even to 90 degrees.
1. Tears over 1 cm. long that bisect the edge of the paper.
2. Holes larger than 1.5 cm. in diameter.
3. Creases and folds that obscure text/image.
4. Folded brittle paper that requires unfolding.
1. Flaking or cracking of image.
2. Tears or breaks in image area.
3. Losses in image area.4. Adhesive tapes on the image.
5. Photograph lifting away from the mount/backing.
APPENDIX I, Part 2
Safe Handling of Library Materials – Review of Practices
Paper -- Safe handling of documents and flat materials includes:
APPENDIX III, Part 3
Review Sheet to Select a Scanner for BooksBook may be scanned on the book-edge scanner if all items checked are in Column A.
No. of Pages: ____________
|Column A (OK to Invert)||Column B (Do Not Invert)|
|__ 8 ˝ x 11 inches or smaller||__ between 8 ˝ and 11 x 17 inches|
|__ less than 1 ˝ inches thick||__ larger than 11 x 17 inches|
|__ thicker than 1 ˝ inches||__ thicker than 4 inches|
|__ Cover/text attachment is strong||__ Cover/text attachment is weak|
|__ flexible||__ brittle|
|__ cockled pages||__ breaking at spine|
|__ gutter margins more than 3 /8 inch||__ margins less than 3/8 inch in gutter|
|__ sewing gone, pages completely separated||__ sewing intact, but some pages loose|
|__ sewing strong and intact||__ sewing broken, one or more sections loose|
|__ sewing weak, book falls open easily |
(recommended opening 120 degrees)
|__ Restrictive sewing:||__ Restrictive sewing:|
|__ opens to 120 degrees without stress to pages or binding||__ opens less than 90 degrees (cannot be scanned)|
|__ opens only to 90 degrees|
Other information that may influence choice of scanner:
__ color illustrations
__ halftone illustrations
__ other (please specify) _______________________________________________________________________
If item needs conservation, please check the following:__ needs housing: __ before treatment __ after treatment
__ OK to invert
__ Do not invert
__ Cannot be scanned (explain) __________________________________________________________________
Scanner recommended:__ Book-edge
Degree of recommended opening:
__ 90 degrees
__ 110 degrees
__ 120 degrees
__ 130 degrees
__ 180 degrees
__ less than 90 degrees (cannot be scanned)
APPENDIX I, Part 4
Criteria for Selecting Proper Scanning Equipment
Materials which can be safely inverted and scanned on a flatbed scanner include:
a. copy negatives
b. photographic prints in good condition
c. flat paper items in good condition and without friable media (i.e. pastels)
d. items that are sleeved in polyester film (Mylar¨) so that they can be handled safely
e. pamphlet and sheet music items that are in good condition and can open to 180 degrees.
Materials which must be scanned by overhead scanning equipment include:
a. books, on a cradle or with wedges, if necessary
b. photographs adhered to board mounts
c. anything that cannot be pressed flat safely
d. anything too large to be turned over safely
e. anything larger than the dimensions of the flat bed scanner.