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The palm was not a major unit in ancient Mesopotamia but appeared in ancient Israel as the tefah, [7] tepah, [8] or topah [8] (Hebrew: טפח, lit. "a spread"). [9] Scholars were long uncertain as to whether this was reckoned using the Egyptian or Babylonian cubit, [7] but now believe it to have approximated the Egyptian "Greek cubit", giving a value for the palm of about 74 mm or 2.9 in. [8]
This is a list of units of measurement based on human body parts or the attributes and abilities of humans (anthropometric units). It does not include derived units further unless they are also themselves human-based. These units are thus considered to be human scale and anthropocentric.
Detail of the cubit rod in the Museo Egizio of Turin, showing digit, palm, hand and fist lengths. The hand, sometimes also called a handbreadth or handsbreadth, is an anthropic unit, originally based on the breadth of a male human hand, either with or without the thumb, [2] or on the height of a clenched fist.
Viable hand geometry devices have been manufactured since the early 1970s, making hand geometry the first biometric to find widespread computerized use. [4] Robert Miller realized the distinctive features of hand sizes and shapes could be used for identification and patented the first automated hand geometry device at the Stanford Research Institute in 1971.
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The digit length is typically measured on the palmar (ventral, "palm-side") hand, from the midpoint of the bottom crease to the tip of the finger. [8] Measurement of the digits on the dorsal ("back-side") hand, from the tip of the finger to the proximal phalange-bone protrusion (which occurs when digits are bent at 90 degrees to the palm) has ...
The digit or finger is an ancient and obsolete non-SI unit of measurement of length. It was originally based on the breadth of a human finger. [1] It was a fundamental unit of length in the Ancient Egyptian, Mesopotamian, Hebrew, Ancient Greek and Roman systems of measurement. In astronomy a digit is one twelfth of the diameter of the sun or ...