patent for "art of producing step-by-step movements" F.W.Wood, 1922
type: Item
description: patent for a stepper motor
Type of information: source
Field: General technology
author: Frank W. Wood
Copy available online: US1408555A
mentions: Stepper motor
Publication date: 1922-03-07T00:00:00Z
is used in theme: Early history of moving lights (Theme)
Canon documents public id: 1037