Public domain
GRC-1998-C-02776
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
GEAR FATIGUE AND SPIRAL BEVEL GEAR TEST FACILITY
NASA Image and Video Library’s own descriptionCredit lineGRC-1998-C-02776. NASA/GRC, 1999-11-10. Public domain. ID: GRC-1998-C-02776.