Force transducer for strain gage

Fracture toughness test method

High sensitivity semiconductor strain gauge

Holographic recording instrument for structural integrity verifi

Horizontal- and vertical-roll force measuring system

Hydrogen embrittlement tester

Hydrostatic stress gauge system

Improvements in or relating to strain transducers

Knife sharpener

Light reflective opti-mechanical displacement microindicator

Load measuring gage

Load monitoring system

Magnetoelastic transducer arrangement

Means for determining maximum ironing reduction

Measuring apparatus

Measuring the strength of a rock formation in situ

Method and apparatus for coupling signals from a rotating device

Method and apparatus for determining rock stress in situ

Method and apparatus for determining stress underground

Method and apparatus for fastener tension inspection