File:Pan can 1911.JPG

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Summary

Description
English: Construction of the Panamá Canal.
Русский: Строительство Панамского канала, фото из журнала Наука и жизнь.
Date
Source Ciencia y Vida magazine
Author Unknown authorUnknown author

Licensing

Public domain This work was first published in Panama and is now in the public domain because its copyright protection has expired by virtue of the Law No. 15 of August 8, 1994 on Copyright and Neighboring Rights and Enacting Other Provisions (details). The work meets one of the following criteria:
  • It is an anonymous work or pseudonymous work and 50 years have passed since the date of its publication (or creation, whatever date is the latest)
  • It is a collective or audiovisual work, and 50 years have passed since the date of its publication (or creation, whatever date is the latest)
  • It is another kind of work, and 50 years have passed since the year of death of the author (or last-surviving author)
  • It is one of "texts of laws, decrees, official regulations, public treaties, judicial rulings and other official enactments"
Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1931.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Pan_can_1911.JPG

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copyright status

public domain

inception

1 November 1911Gregorian

media type

image/jpeg

ISO speed

125

exposure time

0.066666666666667 second

f-number

4

focal length

7.7 millimetre

instance of

photograph

data size

581,684 byte

height

2,388 pixel

width

2,404 pixel

checksum

edc71f86c0985b54edff56dfc0b214de86be96ba

determination method or standard: SHA-1

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Date/TimeThumbnailDimensionsUserComment
current18:53, 11 January 2012Thumbnail for version as of 18:53, 11 January 20122,404 × 2,388 (568 KB)Valerikpunk

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