File:Zimmerman with tiltwing model.jpg

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Summary

DescriptionZimmerman with tiltwing model.jpg	English: Charles H. Zimmerman poses next to a wind-tunnel model of a tiltwing aircraft.
Date	1950s date QS:P,+1950-00-00T00:00:00Z/8
Source	NASA SP-4305 "Engineer in Charge"
Author	Unknown authorUnknown author
Permission (Reusing this file)	NASA photograph

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	06:35, 11 August 2023		283 × 188 (45 KB)	WikiPedant	adjusted levels; converted to greyscale
	20:05, 13 June 2012		283 × 188 (42 KB)	The Bushranger	{{Information \|Description ={{en\|1=Charles H. Zimmerman poses next to a wind-tunnel model of a tiltwing aircraft.}} \|Source =[http://history.nasa.gov/SP-4305/ch12.htm NASA SP-4305 "Engineer in Charge"] \|Author =Unknown \|Date ...

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Image title	File written by Adobe Photoshop? 4.0
User comments	File written by Adobe Photoshop? 4.0
JPEG file comment	File written by Adobe Photoshop? 4.0
Orientation	Normal
Horizontal resolution	100 dpi
Vertical resolution	100 dpi
Software used	GIMP 2.10.34
File change date and time	02:33, 11 August 2023
Color space	sRGB