[3024X4032] General Electric TurboSupercharger cutaway. Link to more images in comments.
Source: https://openpics.aerobatic.io/
(via P-748622.png (506×340))
Air & Fire
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Door in Abandoned Factory | unknown credit
(via Pinterest • The world’s catalog of ideas)
15.06.30
[OS] Piston engine, artwork by Thomas Bayrle titled “Rosenkranz” - 2009 [1.024×1.430]
Source: https://openpics.aerobatic.io/
Mechanical Bike Locker