File:PSM V40 D410 Bird like generator motor and propeller.jpg

From Wikisource
Jump to navigation Jump to search

Original file (1,708 × 1,050 pixels, file size: 533 KB, MIME type: image/jpeg)

Description Bird like generator motor and propeller
Date between 1891 and 1892
date QS:P,+1891-00-00T00:00:00Z/8,P1319,+1891-00-00T00:00:00Z/9,P1326,+1892-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 40
Author Unknown authorUnknown author
Permission
(Reusing this file)
Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
 Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.


This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Extracted image from book, to greyscale, cropped whitespace. The original can be viewed here: Popular Science Monthly Volume 40.djvu: . Modifications made by Ineuw.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current06:24, 3 November 2015Thumbnail for version as of 06:24, 3 November 20151,708 × 1,050 (533 KB)IneuwCleaned image and improved contrast
06:18, 7 December 2010Thumbnail for version as of 06:18, 7 December 20101,745 × 1,082 (470 KB)Ineuw{{Information |Description = Bird like generator motor and propeller |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_40.djvu/410 |Date = 1891-1892 |Author = Unknown |Permission = {{PD-old}}
Retrieved from "https://en.wikisource.org/wiki/File:PSM_V40_D410_Bird_like_generator_motor_and_propeller.jpg"