Patent for a Picture-projection process and apparatus, Joseph Levi, 1926
type: Item
Type of information: source
Field: lighting and projection
author: Joseph Levy
Publication date: 1926-04-27T00:00:00Z
Copy available online: US1582179A
mentions: Projection accessories (analogue)
mentions: Lighting accessory
Internal image: US1582179.jpg
Canon documents public id: 1038