File:Calcutta Baseline 1832.jpg
From Wikimedia Commons, the free media repository
Jump to navigation
Jump to search
![File:Calcutta Baseline 1832.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Calcutta_Baseline_1832.jpg/800px-Calcutta_Baseline_1832.jpg?20160308042920)
Size of this preview: 800 × 582 pixels. Other resolutions: 320 × 233 pixels | 640 × 466 pixels | 1,024 × 745 pixels | 1,143 × 832 pixels.
Original file (1,143 × 832 pixels, file size: 147 KB, MIME type: image/jpeg)
File information
Structured data
Captions
Captions
Add a one-line explanation of what this file represents
Summary
[edit]DescriptionCalcutta Baseline 1832.jpg | Great Trigonometrical Survey measurement of the Calcutta baseline in 1832 by George Everest. The engraving is based on a sketch by James Prinsep. It shows a Ramsden chain being set on coffers supported by pickets. The tent is to avoid expansion due to heat. The boning telescope is used to align the links of the chain. |
Date | |
Source | Reprint in Historical records of the survey of India. Volume 4. 1830-1843 by R.H. Phillimore. (1954) |
Author | Sketch by James Prinsep |
Licensing
[edit]Public domainPublic domainfalsefalse |
![]() |
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. 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, 1929. |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 04:29, 8 March 2016 | ![]() | 1,143 × 832 (147 KB) | Shyamal (talk | contribs) | {{Information |Description=Great Trigonometrical Survey measurement of the Calcutta baseline in 1832 by George Everest. The engraving is based on a sketch by James Prinsep. It shows a Ramsden chain being set on coffers supported by pickets. The tent is... |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on en.wikipedia.org
- Usage on ja.wikipedia.org
- Usage on nl.wikipedia.org
- Usage on ro.wikipedia.org
Structured data
Items portrayed in this file
depicts
1832
image/jpeg
c4032cafa6f9650624f9ca826336337d75ebb7cb
151,022 byte
832 pixel
1,143 pixel
Hidden categories: