File:Horace Wells plaque - Hartford, CT.JPG

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	11:22, 20 November 2007		1,571 × 3,124 (823 KB)	Daderot	{{Information \|Description=Horace Wells plaque, Hartford, Connecticut, USA. Commemorates an American dentist who pioneered the use of anaesthesia in dentistry. This plaque was created in 1894; due to its age, it is not subject to copyright restrictions. \|

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Camera manufacturer	Canon
Camera model	Canon PowerShot SD870 IS
Exposure time	1/100 sec (0.01)
F Number	f/4
ISO speed rating	125
Date and time of data generation	13:06, 18 November 2007
Lens focal length	9.107 mm
File change date and time	13:06, 18 November 2007
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	13:06, 18 November 2007
Image compression mode	2
APEX shutter speed	6.65625
APEX aperture	4
APEX exposure bias	0
Maximum land aperture	4 APEX (f/4)
Metering mode	Pattern
Flash	Flash did not fire, auto mode
Color space	sRGB
Focal plane X resolution	14,485.207100592
Focal plane Y resolution	14,506.666666667
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard