Hand (unit) Biblical exegesis the hand measurement, as for example in the Vision of the Temple, Authorized Version , is usually taken to be palm or handbreadth, and in modern translations may be rendered as "handbreadth" or "three inches". The hand is a traditional unit in the UK. It was standardised at four inches by a statute of King Henry VIII in 1540, but some confusion between the various types of hand measurement, and particularly between the hand and the handsbreadth, appears to have persisted. Phillips's dictionary of 1706 gives four inches for the length of the handful or hand, and three
Hand-Held Maneuvering Unit use his HHMU on Gemini 11, because his EVA had to be cut short when he became fatigued. Hand-Held Maneuvering Unit The Hand-Held Maneuvering Unit (HHMU), also known as the maneuvering gun, or informally as "the zip gun", was used by astronaut Ed White in the first American "spacewalk" (extra-vehicular activity, EVA), on Gemini 4, June 3, 1965. Different models of HHMU were present on Gemini 4, 8, 10, and 11, but were only used on Gemini 4 and 10. It was also used aboard Skylab. Astronauts described the gun as easier to use than other methods of maneuvering during