American Memory:  Technical summary

Image: Sample 

Collection Overview

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"
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

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Collections available: [List] [Rights] [Samples] [Handover]
Technical notes: [Documents] [Images] [Maps] [Sound Recordings] [Motion Pictures]