title: Threaded article parameter measurement by spatial spectra analysis.
abstract: The possibility is considered of controlling the parameters of articles of complicated shape by their spatial spectra, that is, profile angle, mean diameter, and threaded article pitch.
authors.forename: R M
authors.initials: RM
authors.lastname: Bytchkov
authors.forename: V P
authors.initials: VP
authors.lastname: Koronkevitch
authors.forename: Y V
authors.initials: YV
authors.lastname: Chugui