This image was acquired from
flickr. 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:
curtiss north island northisland san diego sandiego aviation early flight earlyflight charles keeney hamilton charleskeeneyhamilton charles k. hamilton charleskhamilton charles hamilton charleshamilton hamilton aviator blackandwhite monochrome people drawing black and white Photo from Glenn Curtiss Album AL Repository San Diego Air