File:Browning Heavy Machine Gun, water cooled, M1917, 1918, WWI (32916860696).jpg
![File:Browning Heavy Machine Gun, water cooled, M1917, 1918, WWI (32916860696).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Browning_Heavy_Machine_Gun%2C_water_cooled%2C_M1917%2C_1918%2C_WWI_%2832916860696%29.jpg/800px-Browning_Heavy_Machine_Gun%2C_water_cooled%2C_M1917%2C_1918%2C_WWI_%2832916860696%29.jpg?20210617160043)
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Summary
[edit]DescriptionBrowning Heavy Machine Gun, water cooled, M1917, 1918, WWI (32916860696).jpg | Lot-8876-C-3: WWI: American Expeditionary Forces: Weapons. Browning Machine Gun, 1918 model, water cooled, and called “Browning Heavy Machine Gun.” This gun is fed from a belt of 250 rounds of cartridges. Most important features are endurance and simplicity of mechanism, rendering manufacturing easy. In a government test, 39,500 shots were fired without a break. At another test, 20,000 shots were fired in 48 minutes, 16 seconds, without malfunction and only three stoppages, each due to a defective cartridge. The gun weighs 34 pounds, with the water jacket filled. U.S. Army Signal Corps Photograph. Courtesy of the Library of Congress. (2017/02/17). |
Date | |
Source | Lot-8876-C-3 |
Author | National Museum of the U.S. Navy |
Licensing
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This image was originally posted to Flickr by Photograph Curator at https://flickr.com/photos/127906254@N06/32916860696 (archive). It was reviewed on 11 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
11 July 2018
Public domainPublic domainfalsefalse |
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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.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:00, 17 June 2021 | ![]() | 2,652 × 1,876 (346 KB) | Hohum (talk | contribs) | Greyscale |
03:19, 11 July 2018 | ![]() | 2,652 × 1,876 (429 KB) | Hiàn (alt) (talk | contribs) | Transferred from Flickr via #flickr2commons |
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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 |
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Camera model | NIKON D80 |
Exposure time | 1/125 sec (0.008) |
F-number | f/5.6 |
ISO speed rating | 1,600 |
Date and time of data generation | 10:25, 17 February 2017 |
Lens focal length | 24 mm |
JPEG file comment | |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | GIMP 2.10.24 |
File change date and time | 17:00, 17 June 2021 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 10:25, 17 February 2017 |
Meaning of each component |
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Image compression mode | 4 |
APEX shutter speed | 6.965784 |
APEX aperture | 4.970854 |
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 | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
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 | 36 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Hard |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Lens used | 12.0-24.0 mm f/4.0 |
Serial number of camera | 3073408 |
Unique ID of original document | 6E3EA02B4027B6E128FACB9D336AC92C |
Date metadata was last modified | 08:18, 17 February 2017 |