RQotD-112

Post image for RQotD-112

Neale Donald Walsch, author.

Image: X-15 Model in Supersonic Tunnel, NASA

Reliability Quote of the Day
ISSN 2329-0099

Full Description

Shock waves festoon a small scale model of the X-15 in Langley’s 4 x 4 Supersonic Pressure Tunnel.

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