American Memory: Technical summary




URL
http://lcweb2.loc.gov/ammem/cwphome.html
Collection Overview
- Description
-
Photographs, most made under the supervision of Mathew B. Brady, that
include scenes of depict military personnel and facilities, primarily
from a Union perspective. Includes the main Eastern theater, the federal
navy and seaborne expeditions against the Atlantic Coast of the
Confederacy, the war in the West, Washington, D.C., African Americans,
fortifications, battlefields, preparations for battle and the aftermath
of battle. Also, many portraits of officers and enlisted men, and of
federal and confederate government members, including Abraham Lincoln
and his assassins.
- Source collection
-
Selected Civil War Photographs, 1861-1865
, Prints and Photographs
Division.
LCCN
94-837685
[Link to catalog record (z39.50 query) will
not work when main cataloging system is not available.]
.
- Technical features
-
Scenes and portraits, image quality is good.
- Original material formats
-
- Number of original items
- 1,118
- Status of collection
- Available online as of November 1997.
- Public access
- The Library is not aware of any restrictions that inhibit public
access to this collection. See notes on rights and
restrictions provided by the Library to users of this collection.
Aids to intellectual access
- Type & granularity
- MARC bibliographic records. Each bib. record describes a single item.
Sample
bibliographic display in American Memory.
- Linking to digital reproductions
- Bibliographic record contains identifier used in filenames for all versions of image.
Last character of filename is feature code for image type.
Digital reproductions
Total file-space for digital reproductions: 682
Mbytes
Photographs |
Archival image |
Service image (online) |
Inline thumbnail |
Additional
thumbnail |
Marker |
Filename ends "u" |
Filename ends "r" |
Filename ends "t" |
Filename ends "t" |
Formats |
TIFF |
JPEG/JFIF |
GIF |
TIFF |
Tonal resolution (grayscale) |
8 bit |
8 bit |
8 bit |
8 bit |
Spatial resolution
(approx) |
900x600 pixels |
900x600 pixels |
150x100 pixels |
150x100 pixels |
Quantity (approx) |
1,118 |
1,118 |
1,118 |
1,118 |
Sample |
Sample archival |
Sample
service |
Sample thumbnail |
Sample thumbnail |
Library of Congress contribution to Digital Libraries Initiative - Phase II
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Technical notes:
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[Images]
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[Sound Recordings]
[Motion Pictures]