American Memory:  Technical summary

Before and After the Great Earthquake and Fire:
Early Films of San Francisco, 1897-1916

sample 
frames
URL http://lcweb2.loc.gov/ammem/papr/sfhome.html


Collection Overview

Description
Actuality footage and a few dramatizations of scenes in the San Francisco Bay area. Seventeen titles depict the region before the 1906 disaster, while seven titles describe the effects of the great earthquake and fire. Also a 1915 travelogue that shows scenes of the rebuilt city and the Panama Pacific Exposition and a 1916 propaganda film warning of radical elements.
Source collection
Paper Prints Motion Picture Collection , Motion Picture, Broadcasting, and Recorded Sound Division
LCCN for related videodisc: 95-513029 [Link to catalog record (z39.50 query) will not work when main cataloging system is not available.] .
Technical features
Silent motion picture footage originally shot at about 15 frames per second.
Original material formats
Number of original items
26
Status of collection
Available online as of November 1997.
Public access
The Library is not aware of any U.S. copyright or other restrictions in the materials 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 and segments of movie. MPEG and QuickTime files for motion pictures longer than four minutes are divided into segments.

Digital reproductions

Total file-space for digital reproductions: 2.5 Gbytes

Motion Pictures Service file Service file Service file Inline thumbnail
(still image)
Marker Filename extension ".mpg" Filename extension ".mov" Filename extension ".avi" Filename ends "t"
Formats MPEG-1 QuickTime AVI GIF
Data rate ca. 1.2 Mbits/sec ca. 640 Kbits/sec ca. 1 Mbits/sec 8 bit
Image size 320x240 pixels 160x120 pixels 320x240 pixels 300x100 pixels
Frame rate 30 fps 10-15 fps 15 fps n/a
Color depth n/a 24 bits n/a 8 bits
File size 7-38 Mbytes 2-18 Mbytes 5-170 Mbytes 90 Kbytes
Quantity 40 40 26 26
Sample Sample MPEG Sample QuickTime Sample AVI Sample thumbnail

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Technical notes: [Documents] [Images] [Maps] [Sound recordings] [Motion pictures]