File:Continuous transit.png

Original file(2,139 × 1,721 pixels, file size: 8.64 MB, MIME type: image/png)

Captions

Captions

Add a one-line explanation of what this file represents

Summary edit

Description
English: Diagram of a "probable underground railway of the future" c. 1913 showing sub-surface screw and carriages continuously driven forward by rollers (sprags). Originally printed in fortnightly magazine (14 days) and reprinted in bound edition (undated). More information about Harmsworth here.
Date
Source Scanned and slightly retouched around centre-fold by User:Timpo
Author Harmsworth Popular Science/ EDucational Book Co, London
Permission
(Reusing this file)
UK Copyright elapsed by passage of time (more than 70 Years) UK Copyright:See: Para 6 item 1 for print

Licensing edit

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).

File history

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

Date/TimeThumbnailDimensionsUserComment
current10:07, 25 November 2010Thumbnail for version as of 10:07, 25 November 20102,139 × 1,721 (8.64 MB)Timpo (talk | contribs){{Information |Description={{en|1=Diagram of a "probable underground railway of the future" c. 1913 showing sub-surface screw and carriages continuously driven forward by rollers (sprags)}} |Source=Scanned and slightly retouched around centre-fold by User

There are no pages that use this file.

File usage on other wikis

The following other wikis use this file: