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Gauge (bore diameter)

Код 998511

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Аннотация к книге "Gauge (bore diameter)"

The gauge of a firearm is a unit of measurement used to express the diameter of the barrel. Gauge is determined from the weight of a solid sphere of lead that will fit the bore of the firearm, and is expressed as the multiplicative inverse of the sphere's weight as a fraction of a pound (e.g. a 1/12th pound ball fits a 12-gauge bore). The term is related to the measurement of cannon, which were also measured by the weight of their iron round shot; an 8 pounder would fire an 8 pound (3.6 kg)...

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Издательство: Книга по требованию
Дата выхода: июль 2011
ISBN: 978-6-1306-5891-5
Объём: 148 страниц
Масса: 246 г
Размеры(высота, ширина, толщина), см: 23 x 16 x 1

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