1. Harmonized blank detail specification for lead screw actuated non-wirewound preset potentiometers. Square form, container sealed, actuating device insulated from resistive element, slipping clutch at each end of travel, rigid terminations. Assessment level S. (15th December 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗