File:BLW Masks for Anaesthetics.jpg

Original file ‎(3,456 × 2,304 pixels, file size: 3.76 MB, MIME type: image/jpeg)

This file is from a shared repository and may be used by other projects. The description on its file description page there is shown below.

Wikipedia does not have a File page with this exact name.

Other reasons this message may be displayed:

If an image was recently created here, it may not be visible yet because of a delay in updating the database; wait a few minutes or try the purge function.
Titles on Wikipedia are case sensitive except for the first character; please check alternative capitalizations and consider adding a redirect here to the correct title.
If the page has been deleted, check the deletion log, and see Why was the page I created deleted?

File history

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

	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:28, 11 May 2010		3,456 × 2,304 (3.76 MB)	File Upload Bot (Mike Peel)	{{BLW2010 \| title=Masks for Anaesthetics \| description={{en\|The Schimmelbusch was first invented in the 1890s. The cross wires were pulled outward from the frame. A wire hinged to the top of the mask behind the frame was then released by a clip. A piece o

The following file is a duplicate of this file (more details):

The following 2 pages 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	Canon
Camera model	Canon EOS 500D
Exposure time	1/6 sec (0.16666666666667)
F Number	f/5.6
ISO speed rating	1,600
Date and time of data generation	13:07, 11 February 2010
Lens focal length	20 mm
Orientation	0
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Picasa 3.0
File change date and time	13:07, 11 February 2010
Y and C positioning	Co-sited
Exposure Program	Aperture priority
Exif version	2.21
Date and time of digitizing	13:07, 11 February 2010
APEX shutter speed	2.625
APEX aperture	5
Metering mode	Center weighted average
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	23
DateTimeOriginal subseconds	23
DateTimeDigitized subseconds	23
Color space	Uncalibrated
Focal plane X resolution	3,865.7718120805
Focal plane Y resolution	3,885.328836425
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Unique image ID	ec9423844e14d03a6b04a2b7ac372dad