Jump to content

File:Centrolinead.png

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Centrolinead.png (250 × 120 pixels, file size: 4 KB, MIME type: image/png)

Summary

Description
English: The Centrolinead, a draughtsman's instrument invented by British engineer, architect and mathematician, Peter Nicholson (1765–1844)
Date
Source Illustration from the book "Practical Geometry" (https://books.google.com/books?id=FetJAAAAMAAJ&pg=PA42)
Author Thomas Bradley; Peter Nicholson

Licensing

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.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

image/png

9a5771776408b17034a4b214c8dee4a5b887f780

3,736 byte

120 pixel

250 pixel

File history

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

Date/TimeThumbnailDimensionsUserComment
current01:15, 21 June 2010Thumbnail for version as of 01:15, 21 June 2010250 × 120 (4 KB)Vyznev Xnebaraconvert from BMP to PNG format
02:42, 29 January 2010Thumbnail for version as of 02:42, 29 January 2010250 × 120 (88 KB)MegaPedantSmaller but higher quality image
14:57, 2 January 2010Thumbnail for version as of 14:57, 2 January 2010527 × 233 (14 KB)MegaPedant{{Information |Description={{en|1=The Centrolinead, a draughtsman's instrument invented by British engineer, architect and mathematician, Peter Nicholson (1765–1844)}} |Source=Illustration from the book "Practical Geometry" (http://books.google.com/book

The following 2 pages use this file: