Camille Pissarro - Morning, An Overcast Day, Rouen
Public domain reproduction of artwork, free to use, no copyright restrictions image - Picryl description
![Photoelectric ray to determine flying ceiling. Washington, D.C., June 15. To permit a ground observer to determine at what height flying is safe during days of fog and heavy overcast, Miss Elizabeth M. Zandonini, of the Radio Section staff of the Bureau of Standards, is shown with the balloon transmitting equipment. A photoelectric cell measuring light brightness is used to control the pitch of the radio signal transmitted from the balloon as it ascends. A graphical frequency recorder plots the pitch and hence [...] a measure of the light brightness as a function [...] height. The experiments are carried on for the U.S. [...]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MzcvMDEvMDEvcGhvdG9lbGVjdHJpYy1yYXktdG8tZGV0ZXJtaW5lLWZseWluZy1jZWlsaW5nLXdhc2hpbmd0b24tZGMtanVuZS0xNS10by1wZXJtaXQtMTAyNC5qcGc%3D/40/49/webp "Photoelectric ray to determine flying ceiling. Washington, D.C., June 15. To permit a ground observer to determine at what height flying is safe during days of fog and heavy overcast, Miss Elizabeth M. Zandonini, of the Radio Section staff of the Bureau of Standards, is shown with the balloon transmitting equipment. A photoelectric cell measuring light brightness is used to control the pitch of the radio signal transmitted from the balloon as it ascends. A graphical frequency recorder plots the pitch and hence [...] a measure of the light brightness as a function [...] height. The experiments are carried on for the U.S. [...]")
Photoelectric ray to determine flying ceiling. Washington, D.C., June ...
A black and white photo of a woman putting something in a box. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A...
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A at NASA's Kennedy Space Center in Florida, workers monitor the progress of the rotating service structure (RSS) as it rolls away from space... More
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A...
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A at NASA's Kennedy Space Center in Florida, workers prepare to roll the rotating service structure (RSS) away from space shuttle Atlantis. T... More
Rainy Day - National Parks Gallery
Rainy Day, Bob Roney Sept 69 Picryl description: Public domain photograph of Yosemite National Park, nature, free to use, no copyright restrictions image.
The fleet tug USNS POWHATAN (T-ATF 166) passes through the open draw s...
The original finding aid described this photograph as: Base: Alexandria State: Virginia (VA) Country: United States Of America (USA) Scene Camera Operator: Don S. Montgomery, USN (Ret.) Release Status: Rel... More
STS058-25-012 - STS-058 - Stereo pair views of towering thunderheads o...
The original finding aid described this as: Description: Stereo pair views of towering thunderheads over lower total overcast cloud cover - location unknown. Subject Terms: STS-58, COLUMBIA (ORBITER), EARTH O... More
STS058-25-013 - STS-058 - Stereo pair views of towering thunderheads o...
The original finding aid described this as: Description: Stereo pair views of towering thunderheads over lower total overcast cloud cover - location unknown. Subject Terms: STS-58, COLUMBIA (ORBITER), EARTH O... More
A Marine CH-53E Super Stallion helicopter externally carries an LAV-25...
The original finding aid described this photograph as: Base: Marine Corps Base, Quantico State: Virginia (VA) Country: United States Of America (USA) Scene Camera Operator: SGT. Steven Webster Release Stat... More
Ground crew personnel offload a C-130 Hercules during a cold, overcast...
The original finding aid described this photograph as: Subject Operation/Series: JOINT GUARD Base: Tuzla Air Base Country: Bosnia And/I Herzegovina (BIH) Scene Camera Operator: SSGT. David W. Richards Rele... More
KENNEDY SPACE CENTER, Fla. -- More than a dozen photographers line up ...
KENNEDY SPACE CENTER, Fla. -- More than a dozen photographers line up to photograph the Genesis-Delta launch vehicle after rollback of the Mobile Service Tower (right) on Launch Complex 17-A, Cape Canaveral Air... More
Port bow view of the US Navy (USN) Nimitz class Nuclear-powered Aircra...
The original finding aid described this photograph as: Base: Hampton Roadstead State: Virginia (VA) Country: United States Of America (USA) Scene Camera Operator: PH2 (Nac) James Thierry, USN Release Statu... More
The B-17 Flying Fortress bomber, "Aluminum Overcast" arrives on a sunn...
The original finding aid described this photograph as: Base: Tampa State: Florida (FL) Country: United States Of America (USA) Scene Major Command Shown: AMC Scene Camera Operator: SSGT Chad Chisholm, USAF... More
The B-17 Flying Fortress bomber, "Aluminum Overcast" arrives on a sunn...
The original finding aid described this photograph as: Base: Tampa State: Florida (FL) Country: United States Of America (USA) Scene Major Command Shown: AMC Scene Camera Operator: SSGT Chad Chisholm, USAF... More
Retired Master Chief James Will Wilson
FOUNTAIN, Colo. (May. 12, 2011) Retired Master Chief James "Will" Wilson and Cali Overcast, an eighth-grade student at Fountain Middle School, show off their prosthetic legs during a Team Navy-Coast Guard surpr... More
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A...
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A at NASA's Kennedy Space Center in Florida, the rotating service structure (RSS) slowly rolls away revealing space shuttle Atlantis. The RSS... More
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A...
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A at NASA's Kennedy Space Center in Florida, the rotating service structure (RSS) slowly rolls away from space shuttle Atlantis. The RSS prov... More
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A...
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A at NASA's Kennedy Space Center in Florida, workers prepare to roll the rotating service structure (RSS) away from space shuttle Atlantis. T... More
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A...
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A at NASA's Kennedy Space Center in Florida, workers prepare to roll the rotating service structure (RSS) away from space shuttle Atlantis. T... More
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A...
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A at NASA's Kennedy Space Center in Florida, the rotating service structure (RSS) slowly rolls away revealing space shuttle Atlantis. The RSS... More
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A...
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A at NASA's Kennedy Space Center in Florida, workers prepare to roll the rotating service structure (RSS) away from space shuttle Atlantis. T... More
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A...
CAPE CANAVERAL, Fla. -- On a cloudy and overcast day on Launch Pad 39A at NASA's Kennedy Space Center in Florida, workers prepare to roll the rotating service structure (RSS) away from space shuttle Atlantis. T... More
Grand Canyon National Park: Mather Point Pano 03
Summer clouds forming over Mather Point, Grand Canyon National Park. NPS Photo by W.Tyson Joye. Mather Point, a short walk from the Visitor Center, parking lots and the shuttle bus transit station, is one of th... More
The morning light breaks over Air Station Port Angeles
The morning light breaks over Air Station Port Angeles and Sector Field Office Port Angeles which are co-located at the end of Ediz Hook in Port Angeles, Wash., Sept. 28, 2012. These Coast Guard units are respo... More
The sun begins to rise on Forward Operating Base Kutschbach,
The sun begins to rise on Forward Operating Base Kutschbach, Kapisa province, Afghanistan, Dec. 12, 2012. The cloudy weather lowered visibility in the surrounding area. (U.S. Army photo by Spc. Andrew Claire Ba... More
F-16 climbs above afternoon sun
An F-16C Fighting Falcon from the New Jersey Air National Guard's 177th Fighter Wing climbs above an afternoon sun after a strafing run at Warren Grove Gunnery Range in Ocean Township, N.J., on Sept. 10, 2014. ... More
Buildings architecture wood building. A building with a water fountain...
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A view of a mountain range under a cloudy sky. Scenic landscape panora...
A dark sky over a mountain range with snow covered mountains / A view of a mountain range with a dark sky in the background public domain stock photo. A dark sky over a mountain range with snow covered mountai... More
A wooden dock with a boat in the water. Boats dock jetty
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Clouds mountains overcast building. A view of a small town in the moun...
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Find the best free stock photos of cats. Download all Cat images and use as you want: for free, no copyright restrictions, no attribution required!.
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A river running through a lush green hillside. Lake district rocks riv...
A river runs through a rocky area with a green hillside in the background / A river running through a rocky area with a green field in the background / Public domain stock photo of a nature.
City overcast buildings. A view of a city at night from a high rise bu...
Architecture stock photograph: Shanghai, china - the city of the future / A view of a city at night from a high rise building.
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Water: Free images of reflections in the water, available for commercial use and free download. Copyright-free, no attribution required.
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