File:Landau's safety lamp.jpeg

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Summary

Description
English: Miner's safety lamp designed by Landau prior to 1878. Published in Dr Ure's Dictionary supplement of 1879
Date
Source Dr. Ure's Dictionary of Arts, Manufactures and Mines
Author Robert Hunt FRS (ed)
Camera location51° 21′ 37.2″ N, 0° 30′ 33.6″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Licensing

Public domain
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1930, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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Items portrayed in this file

depicts

mining lamp

inception

5 February 2013

coordinates of the point of view

51°21'37.199999999"N, 0°30'33.599999999"E

exposure time

0.06666666666666666666 second

focal length

3.85 millimetre

File history

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Date/TimeThumbnailDimensionsUserComment
current05:36, 6 February 2013No thumbnail1,024 × 2,326 (482 KB)wikimediacommons>Martin of SheffieldUser created page with UploadWizard

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