Space exploration. Historic newsreels. Iconic moments in history. The moving image and sound holdings at the National Archives span more than 520,400 film reels!

Here, 35mm film is loaded onto a split reel for inspection and then wound to ascertain length in feet.

Note: Gloves are not used while threading the film as lab staff are handling the leader, which is used to protect the film and begin threading equipment. Once it's time to do an inspection, gloves are worn on the hand holding the film by the edges.

Video Description: In these videos, film is inspected in the Motion Picture Preservation Lab.