American Memory: Technical summary
URL
http://lcweb2.loc.gov/ammem/thchtml/thhome.html
Collection Overview
- Description
-
Spanning from the mid 1920s through the 1950s, the collection documents
the architecture and social life of the Washington metropolitan area in
the 1920s, 1930s, and 1940s, including exteriors and interiors of
commercial, residential, and government buildings, as well as street
scenes and views of neighborhoods. A number of Washington events and
activities, such as the 1932 Bonus Army encampment, the 1933 World
Series, and World War II preparedness campaigns, are also depicted.
Also included are images of Horydczak's family
and of scenes in Maryland,
Virginia, Iowa, Pennsylvania, and West Virginia.
- Source collection
-
Theodor Horydczak Collection
, Prints and Photographs
Division.
LCCN
93-845486
[Link to catalog record (z39.50 query) will
not work when main cataloging system is not available.]
.
- Technical features
-
Large number of varied scenes, image quality is moderate.
- Original material formats
-
- Number of original items
-
ca. 14,350
- Status of collection
- Available online as of November 1997.
- Public access
- The Library will identify the owners of rights associated with items in
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:
4 Gbytes
| Photographs |
Archival image |
Service image |
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 |
| Tonal resolution (color) |
24 bit |
24 bit |
8 bit |
8 bit |
| Spatial resolution
(approx) |
550x440 pixels |
550x440 pixels |
150x100 pixels |
150x100 pixels |
| Quantity (approx) |
14,350 |
14,350 |
14,350 |
14,350 |
| Sample |
Sample archival |
Sample
service |
Sample thumbnail |
Sample thumbnail |
Library of Congress contribution to Digital Libraries Initiative - Phase II
[Site Map]
Collections available:
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[Handover]
Technical notes:
[Documents]
[Images]
[Maps]
[Sound Recordings]
[Motion Pictures]
