Site menu:

Categories

Archives

Subscribe

Archive for March 28th, 2013

The Challenge of the Push-Pull Track

Today’s guest blogger is Heidi Holmstrom. ¬†Heidi works in the Motion Picture Preservation Lab, which is responsible for performing conservation and preservation work on motion picture records held across the National Archives. There are many sound systems that have been used for motion picture films over the years. ¬† Some of the earliest relied on […]

Subscribe

Tags