NASA turbine test rig at NASA's Glenn Research Center, c. 1955. Full caption: "TEST INSTALLATION FOR J-71 TYPE II F-70 EXPERIMENTAL TURBINE"

Fullsize image: https://diqn32j8nouaz.cloudfront.net...g_fullsize.jpg



Previously:

NASA water deluge rocket launch system - GIF
1960s NASA before PowerPoint and using ladders to do math - photos
Redesigned NASA door after Apollo 1 fire - GIF
NASA wind tunnel actuators - photo
NASA SR-71A testing a linear aerospike - photo