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Hoppus
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・ Hoppy Go Lucky
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・ Hoppy the Marvel Bunny (comics)
・ Hoppy's Holiday
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・ Hopp–Woods scale
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Hoppus : ウィキペディア英語版
Hoppus

The hoppus cubic foot (or ‘hoppus cube’ or ‘h cu ft’) was the standard volume measurement used for timber in the British Empire and countries in the British sphere of influence before the introduction of metric units. It is still used in the hardwood trade of some countries.
This volume measurement was developed to estimate what volume of a round log would be usable timber after processing, in effect attempting to ‘square’ the log and allows for waste.
The hoppus ton (HT) was also a traditionally used unit of volume in British forestry. One hoppus ton is equal to 50 hoppus feet or 1.8027 cubic metres. Some shipments of tropical hardwoods, especially shipments of teak from Myanmar (Burma), are still stated in hoppus tons.〔(Myanmar Inter Safe Co., Ltd, )〕
==History==
The English surveyor Edward Hoppus introduced the eponymous unit in his 1736 manual of practical calculations. 〔(Dictionary of units )〕〔(Hoppus's Tables for Measuring, Or, Practical Measuring Made Easy By Edward Hoppus )〕 The tables include reference to stone as well as timber, as stone can similarly suffer wastage during processing into regular pieces.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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