This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Gamecock propeller hub. en Gloster Gamecock fighter bladed Watts propeller hub in Finnish Aviation Museum fi Gloster Gamecock hvittjn kaksilapaisen Watts potkurin napa Suomen ilmailumuseossa own MKFI region FI Gloster Gamecock Wooden aircraft propellers Finnish Aviation Museum Taken with Canon PowerShot SX IS Files by User MKFI