Redirect Notice
The previous page is sending you to
https://www.alamy.com/october-25-18731-helicoidal-concavo-convex-propeller-telegraphing-naps-and-plans-the-siemens-steel-furnace-as-described-by-the-inventor-me-the-devil-fish-helicoidal-concavo-convex-propeller-or-da-the-c-elebrated-cow-first-duchess-of-onei-eagle-wing-scientific-american-1873-10-25-image334315723.html
.
If you do not want to visit that page, you can
return to the previous page
.