Testing Mass Standards By Substitution

Duration: 22 min

Year Published: 1956

Creator: U S Dept Of Commerce Natl Bureau Of Standards

Format: 16mm

Color: Color

Sound: sound

Description: Demonstrates error testings, a simple method for quickly determining with a high degree of precision the mass of an unknown standard by comparison with one of a known value. Demonstrates tolerance testing. Explains convenient forms and demonstrates the steps involved in each method of testing of mass standards by means of successive entries on an appropriate form.


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