U.S. Air Force Staff Sgt. Samuel Williams calibrates the Sperry Reflectoscope using a known sample. The device is capable of detecting sub-surface flaws in metals, plastics and other materials used in the construction of aerospace equipment. (U.S. Air Force courtesy photo)

U.S. Air Force Staff Sgt. Samuel Williams calibrates the Sperry Reflectoscope using a known sample. The device is capable of detecting sub-surface flaws in metals, plastics and other materials used in the construction of aerospace equipment. (U.S. Air Force courtesy photo) Stock Photo
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Image details

Contributor:

AB Forces News Collection / Alamy Stock Photo

Image ID:

PF1KDP

File size:

5.7 MB (267.5 KB Compressed download)

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Dimensions:

1296 x 1536 px | 21.9 x 26 cm | 8.6 x 10.2 inches | 150dpi

Date taken:

5 February 2016

More information:

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.

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