A new propeller, to change the course of the ship, is developed and tested for th...HD Stock Footage

CriticalPast is an archive of historic footage. The vintage footage in this video has been uploaded for research purposes, and is presented in unedited form. Some viewers may find some scenes or audio in this archival material to be unsettling or distressing. CriticalPast makes this media available for researchers and documentarians, and does not endorse or condone any behavior or message, implied or explicit, that is seen or heard in this video.
Link to order this clip:
Historic Stock Footage Archival and Vintage Video Clips in HD.

A new propeller, to change the course of the ship, is developed and tested for the US Navy in Bremerton, Washington.

Testing of a new propeller in Bremerton, Washington. View of the newly developed propeller for the US Navy. A professor of Washington University, the inventor of the propeller, beside the device. View of the blades of the propeller, changing the pitch of which changes the course of the ship. A landing craft on which the propeller is tested. The landing craft moving forward on the water. The professor with another man on the craft. The craft turning the direction by changing the pitch of the blades. Men beside the propeller. Location: Bremerton Washington. Date: May 9, 1946.

57,000+ broadcast-quality historic clips for immediate download.
Fully digitized and searchable, the CriticalPast collection is one of the largest archival footage collections in the world. All clips are licensed royalty-free, worldwide, in perpetuity. CriticalPast offers immediate downloads of full-resolution HD and SD masters and full-resolution time-coded screeners, 24 hours a day, to serve the needs of broadcast news, TV, film, and publishing professionals worldwide. Still photo images extracted from the vintage footage are also available for immediate download. CriticalPast is your source for imagery of worldwide events, people, and B-roll spanning the 20th century.