File:Fourthcongressofthepuwp.JPG

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Description	Fourth congress of the Polish United Workers' Party, held in 1963.
Date	1963
Source	From the 1964 book Twenty Years of the People's Republic of Poland, photographer not specified and no copyright notice in the book.
Author	This file is lacking author information.
Permission ( Reusing this file)	PD-POLAND.

Licensing

This image is in the public domain because according to the Art. 3 of copyright law of March 29, 1926 of the Republic of Poland and Art. 2 of copyright law of July 10, 1952 of the People's Republic of Poland, all photographs by Polish photographers (or published for the first time in Poland or simultaneously in Poland and abroad) published without a clear copyright notice before the law was changed on May 23, 1994 are assumed public domain in Poland.

This work is in the public domain in the United States because it meets three requirements:

it was first published outside the United States (and not published in the U.S. within 30 days)
it was first published before March 1, 1989 without complying with U.S. copyright formalities
it was in the public domain in its home country (Poland) on the URAA date (January 1, 1996).

To uploader: Please provide where and when the image was first published.

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	SONY
Camera model	DSC-P73
Exposure time	1/20 sec (0.05)
F-number	f/2.8
ISO speed rating	100
Date and time of data generation	15:49, 3 April 2005
Lens focal length	6 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
File change date and time	15:49, 3 April 2005
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	15:49, 3 April 2005
Image compression mode	8
Exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Unknown
Flash	Flash fired, strobe return light detected, compulsory flash firing, red-eye reduction mode
Colour space	sRGB
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal

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