
Specification for spirit levels for use in precision engineering.
NORMA vydaná dňa 22.3.1968
Designation standards: BS 958:1968
Publication date standards: 22.3.1968
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategória: Technické normy BS
Accuracy of performance for three types of level. Sensitivities and scale, general features of design, adjustments and finish, accuracy of working surfaces. Notes on the choice of sensitivity of a level appended. Status: Confirmed