Image:Compass (drafting).jpg

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Compass (drafting) in mathematics and drafting, a device known as a compass (or pair of compasses) is used by mathematicians and craftsmen in geometry to draw or inscribe a circle or arc. Simply, this type of compass is used as a drafting instrument used for drawing circles and in ruler-and-compass constructions.

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from: en:Image:Zirkel.jpg

File history

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Date/Time Dimensions User Comment
current 12:53, 24 January 2005 590×786 (38 KB) Niki K
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Metadata

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Camera manufacturer Sipix Corporation
Camera model SC3300
Exposure time 2968729/268435456 sec (0.011059377342463)
Date and time of data generation 18:17, 28 April 2004
Orientation Normal
Horizontal resolution 96 dpi
Vertical resolution 96 dpi
Software used Adobe Photoshop 7.0
File change date and time 17:11, 28 April 2004
Author Bertram Fohrn
Y and C positioning 2
Copyright holder Copyright 4,2004
Exposure Program Aperture priority
ISO speed rating 100
Exif version 2.1
Date and time of digitizing 18:17, 28 April 2004
Image compression mode 0.25204372406006
Shutter speed 6.5
Aperture 6
Maximum land aperture 3.7
Metering mode Pattern
Light source 43981
Flash 0
Colour space sRGB
Exposure index 1
Sensing method One-chip colour area sensor
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