Caliper for measuring human skulls, United States, 1999
Skeletal biologists use spreading calipers such as this to measure human skulls. Such measurements can provide much information about the former owner of the skull. This includes their age, sex and often their general health. This specialist device was developed by Jim Kondrat, of Paleo-Tech Instruments. He is an anthropologist based in Wheeling, Illinois. Professionals working in forensic science can also use it.
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The measuring of body parts so that comparisons can be made. The aim is to measure normal and abnormal development. In the past, it has also been used in attempts to measure racial difference.
Instruments consisting usually of a pair of hinged legs used for measuring dimensions, for example thickness or diameters.
Glossary: measuring device - instrument
Device used to ascertain the value or extent of an object, with regard to size, volume, mass, position or comparison to a standard amount or property.