File:OrdnanceWorldWarII 005.jpg

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The reflectors consisted of three planes intersecting at right angles, each surface covered with galvanized wire screen. A radar signal striking any side was reflected back towards its source. The structure in the background, with metal screens stripped off to make it inoperative, was replaced by the triangular reflector in the foreground.

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National Institute of Standards and Technology

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National Institute of Standards and Technology

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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:39, 7 March 2014		4,611 × 5,726 (25.74 MB)	NISTResearchLibrary (talk \| contribs)

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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.

Image title	The reflectors consisted of three planes intersecting at right angles, each surface covered with galvanized wire screen. A radar signal striking any side was reflected back towards its source. The structure in the background, with metal screens stripped off to make it inoperative, was replaced by the triangular reflector in the foreground.
Author	National Institute of Standards and Technology
Copyright holder	The images in the Ordnance WWII Photographic Collection are in the public domain and are not subject to copyright in the United States. However, please pay special attention to the individual works to make sure there are no copyright restrictions indicated. Individual works may require securing other permissions from the original copyright holder. Use of the images from NIST Digital Collections is not restricted, but a statement of attribution is required. Please use the following attribution statement: "National Institute of Standards and Technology Digital Collections, Gaithersburg, MD 20899."
Headline	National Institute of Standards and Technology
Source	Ordnance WWII Photographic Collection
Short title	Corner reflectors used as targets in test flights of the BAT at the NBS test field at Warren Grove, NJ
Width	4,611 px
Height	5,726 px
Bits per component	16 16 16
Compression scheme	Uncompressed
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	600 dpi
Vertical resolution	600 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS6 (Windows)
File change date and time	15:05, 25 July 2013
Exif version	2.21
Color space	Uncalibrated
Unique ID of original document	FB9E29958A09052569D3586FA0F9356A
Original transmission location code	STR-1060
Date metadata was last modified	11:05, 25 July 2013
Date and time of digitizing	10:49, 23 April 2013
Keywords	United States. National Bureau of Standards--History--Photograph collections. BAT guided missile--Photograph collections. Guided missiles--Photograph collections. Proximity fuzes--Photograph collections. Ordnance--Photograph collections. World War 1939-1945.
Contact information	library@nist.gov 100 Bureau Dr, MS 2500 Gaithersburg, MD, 20899 301-975-3052
IIM version	4

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