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This is the perfect head made of wood for a man. He goes to the fair for a perfect head. He wins the cup and goes on the merry-go-round. He sees the wild animals and touches the tiger. The tiger roars at the man with a wooden head. The man meets a boy at the fair and tells him his woes, and the boy solves the mystery of the man's missing head.
Loupe-mounted lights used to be fed by fiber optic cables that connected to either a wall-mounted or table-top light source. Newer models feature a more convenient LED lamp within the loupe-mounted light and an electric cord coming from either the conventional wall-mounted or table-top light source or a belt clip rechargeable battery pack.
A magnifying glass is a convex lens that is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle. A magnifying glass can be used to focus light, such as to concentrate the Sun's radiation to create a hot spot at the focus for fire starting.
A simple microscope uses a lens or set of lenses to enlarge an object through angular magnification alone, giving the viewer an erect enlarged virtual image. [1] [2] The use of a single convex lens or groups of lenses are found in simple magnification devices such as the magnifying glass, loupes, and eyepieces for telescopes and microscopes.
A head-mounted display or helmet mounted display, both abbreviated HMD, is a display device, worn on the head or as part of a helmet, ...
Their system used a head mounted display to monitor conditions in another room, using magnetic tracking to monitor the user's head movements. The Philco HMD displayed actual video from a remotely mounted camera. The position of the camera was moved according to the tracked head movements, creating a sense of telepresence. [6]
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