File:80-G-68744 (28593324720).jpg

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Summary

Description80-G-68744 (28593324720).jpg	80-G-68744 Fire Fighters Schoo, Navy Yard, Mare Island, California, February 1943. “Orco Diving Mask” is demonstrated to show comparison with Navy Shallow Water Diving Hood. This mask is used in depths up to 100 feet. Note: M.S.A. Cotton Web Type Safety Harness. Official U.S. Navy Photograph, now in the collections of the National Archives. (2016/08/09).
Date	February 1943
Source	80-G-68744
Author	National Museum of the U.S. Navy

Licensing

This image was originally posted to Flickr by Photograph Curator at https://flickr.com/photos/127906254@N06/28593324720 (archive). It was reviewed on 12 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

12 July 2018

	This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
	This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

PDMCreative Commons Public Domain Mark 1.0falsefalse

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:56, 12 July 2018		2,054 × 2,677 (1.17 MB)	Hiàn (alt) (talk \| contribs)	Transferred from Flickr via #flickr2commons

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User:OgreBot/Watercraft/2018 July 12/Overflow 1

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D80
Exposure time	1/400 sec (0.0025)
F-number	f/10
ISO speed rating	1,600
Date and time of data generation	10:58, 9 August 2016
Lens focal length	20 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Photos 1.5
File change date and time	10:58, 9 August 2016
Exposure Program	Not defined
Exif version	2.21
Date and time of digitizing	10:58, 9 August 2016
Meaning of each component	Y Cb Cr does not exist
Image compression mode	4
APEX exposure bias	0
Maximum land aperture	4 APEX (f/4)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	80
DateTimeOriginal subseconds	80
DateTimeDigitized subseconds	80
Supported Flashpix version	1
Color space	sRGB
Sensing method	One-chip color area sensor
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	1
Focal length in 35 mm film	30 mm
Scene capture type	Standard
Scene control	High gain up
Contrast	Hard
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown