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Universal Dividing heads: some manual indexing heads are equipped with a power drive provision. This allows the rotation of the dividing head to be connected to the table feed of the milling machine instead of using a hand crank. A set of change gears is provided to select the ratio between the table feed and rotation.
Horses are used to measure distances in horse racing – a horse length (shortened to merely a length when the context makes it obvious) equals roughly 8 feet or 2.4 metres. Shorter distances are measured in fractions of a horse length; also common are measurements of a full or fraction of a head, a neck, or a nose. [10]
Indexing in reference to motion is moving (or being moved) into a new position or location quickly and easily but also precisely. When indexing a machine part, its new location is known to within a few hundredths of a millimeter (thousandths of an inch), or often even to within a few thousandths of a millimeter (ten-thousandths of an inch), despite the fact that no elaborate measuring or ...
A modern harness with an overcheck rein, visible along the neck of the horse. A bearing rein, also known as an overcheck or a checkrein, is a piece of horse harness that runs from a point on the horse's back, over the head, to a bit. It is used to prevent the horse from lowering its head beyond a fixed point.
This is a category for all horse tack that may be placed primarily on a horse's head, used for a variety of purposes, including control, restraint, or safety. This includes items such bridles, hackamores, and halters, as well as accessories such as martingales, which act primarily on the head. This category does not include veterinary equipment.
Home Depot’s viral 12-foot skeleton lives up to the hype. Its oversized design makes for an eye-catching Halloween display, and once assembled, it’s surprisingly stable considering its size. Pros
When correctly adjusted, the reins make a straight line from the rider's hand to the bit ring when the horse's head in at the correct height and the running martingale is not in effect. When the horse raises its head above the desired point, the running martingale adds leverage through the reins to the bit on the bars of the horse's mouth.
The cephalic index or cranial index is a number obtained by taking the maximum width (biparietal diameter or BPD, side to side) of the head of an organism, multiplying it by 100 and then dividing it by their maximum length (occipitofrontal diameter or OFD, front to back). The index was once used to categorize human beings in the first half of ...