sprocketless en · ADJ
Etymology
From sprocket + -less.
Meanings
-
(not-comparable) Without a sprocket.
The Synchro-Sound 16-mm. professional camera is described which features a sprocketless sound drive designed to insure flutterless recording.
1939, Eastman Kodak Company. Research Laboratories, Monthly Abstract Bulletin from the Kodak Research Laboratories, page 221: