File:Kugleramme.jpg

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Dansk: En kugleramme fra en dansk grundskole. Fra begyndelsen af 1900-tallet. Bredde: 40 cm, højde: 46 cm

English: An abacus from a Danish elementary school. Early 20th century. Size: 40 cm wide, 46 cm high.

Español: Un ábaco de una escuela elemental danesa. Principios del siglo XX. Tamaño: 40 cm ancho, 46 cm alto.

I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Public domainPublic domainfalsefalse

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Metadata

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	Canon
Camera model	Canon PowerShot A80
Exposure time	1/60 sec (0.016666666666667)
F-number	f/4
Date and time of data generation	12:26, 21 April 2005
Lens focal length	16.21875 mm
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	12:26, 21 April 2005
Y and C positioning	Centered
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard
Exif version	2.2
Date and time of digitizing	12:26, 21 April 2005
Image compression mode	3
Shutter speed	5.90625
APEX aperture	4
Exposure bias	0
Maximum land aperture	4 APEX (f/4)
Metering mode	Pattern
Flash	Flash fired, auto mode, red-eye reduction mode
Colour space	sRGB
Focal plane X resolution	8,114.2857142857
Focal plane Y resolution	8,114.2857142857
Focal plane resolution unit	inches
Sensing method	One-chip colour area sensor

I want to learn more...

This selection has made Wikipedia available to all children. SOS Children helps more than 2 million people across 133 countries around the world. Would you like to sponsor a child?