A qualifier is a word or phrase that changed how absolute, certain or generalized a statement is. Qualifiers include: Qualifiers of quantity: some, most, all, none, etc. Qualifiers of time: occasionally, sometimes, now and again, usually, always, never, etc.
Torsion -testing equipment. Torsion-testing equipment consists of. 1)A twisting head , with a chuck for gripping the specimen and. for applying the twisting moment to the specimen. 2)A weight head , which grips the other end of the specimen. and measures the twisting moment of torque. Specimen used.
Anniversary clock made by S. Haller & Sohne Co. A torsion pendulum clock, or torsion clock (also known as 400-day or anniversary clock), is a mechanical clock which keeps time with a mechanism called a torsion pendulum.