File:Restored dynamo commutators.JPG

Original file ‎(2,816 × 2,112 pixels, file size: 1.32 MB, MIME type: image/jpeg)

Restored 100 kilowatt Edison dynamo showing the commutator brushes.

File history

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

	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:50, 31 May 2011		2,816 × 2,112 (1.32 MB)	Administrator4 (talk \| contribs)	Restored 100 kilowatt Edison dynamo showing the commutator brushes.

You cannot overwrite this file.

There are no pages that use this file.

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

If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	NIKON
Camera model	COOLPIX S9
Exposure time	10/303 sec (0.033003300330033)
F Number	f/3.5
ISO speed rating	118
Date and time of data generation	20:23, 8 April 2011
Lens focal length	6.4 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	COOLPIX S9V1.0
File change date and time	20:23, 8 April 2011
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	20:23, 8 April 2011
Meaning of each component	Y Cb Cr does not exist
Image compression mode	2
APEX exposure bias	0
Maximum land aperture	3.6 APEX (f/3.48)
Metering mode	Pattern
Light source	Unknown
Flash	Flash fired, compulsory flash firing, red-eye reduction mode
Supported Flashpix version	1
Color space	sRGB
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	0
Focal length in 35 mm film	38 mm
Scene capture type	Portrait
Scene control	Low gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown