File:Landau's safety lamp.jpeg

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File:Landau's safety lamp.jpeg - Wikipedia

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Summary

DescriptionLandau's safety lamp.jpeg	English: Miner's safety lamp designed by Landau prior to 1878. Published in Dr Ure's Dictionary supplement of 1879
Date	5 February 2013, 23:41:38
Source	Dr. Ure's Dictionary of Arts, Manufactures and Mines
Author	Robert Hunt FRS (ed)

Camera location	51° 21′ 37.2″ N, 0° 30′ 33.6″ E	View this and other nearby images on: OpenStreetMap	51.360333; 0.509333

Licensing

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
	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.

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:06, 6 February 2013		1,024 × 2,326 (482 KB)	Martin of Sheffield	User created page with UploadWizard

File usage

The following page uses this file:

Safety lamp

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

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Camera manufacturer	Apple
Camera model	iPhone 4
Exposure time	1/15 sec (0.066666666666667)
F-number	f/2.8
ISO speed rating	400
Date and time of data generation	23:41, 5 February 2013
Lens focal length	3.85 mm
Latitude	51° 21′ 37.2″ N
Longitude	0° 30′ 33.6″ E
Altitude	97.557 meters above sea level
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	6.1
File change date and time	23:41, 5 February 2013
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	23:41, 5 February 2013
Meaning of each component	Y Cb Cr does not exist
Shutter speed	3.9112
APEX aperture	2.970853573907
APEX brightness	0.36726323639075
Metering mode	Pattern
Flash	Flash did not fire, auto mode
Supported Flashpix version	1
Color space	sRGB
Sensing method	One-chip color area sensor
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	35 mm
Scene capture type	Standard
GPS time (atomic clock)	23:41:37.94

Summary

Licensing

Captions

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

captured with

iPhone 4

exposure time

0.06666666666666666666 second

f-number

2.8

focal length

3.85 millimetre

ISO speed

400

instance of

photograph

File history

File usage

Metadata