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The stone or stone weight (abbreviation: st.) [1] is an English and British imperial unit of mass equal to 14 avoirdupois pounds (6.35 kg). [ nb 1 ] The stone continues in customary use in the United Kingdom and Ireland for body weight .
A number of units of measurement were used in the Philippines to measure various quantities including mass, area, and capacity. The metric system has been compulsory in the country since 1860, during the late Spanish colonial period. [1]
A stone is a former unit used in Hong Kong equal to 120 catties and a gwan (鈞) is 30 catties. Catty or kati is still used in Southeast Asia as a unit of measurement in some contexts especially by the significant Overseas Chinese populations across the region, particularly in Malaysia and Singapore.
Other sources claim it was the equivalent of 58.2 kg. In all likelihood, this is a case in which some commodities began to be traded by weight instead of volume, and a “caban of rice” became a certain mass rather than a certain volume. One source states that before 1973 a cavan of any type of rice weighed 50 kg.
[49] In 1968 the standard Fuller cost about $50 at a time when an electronic Hewlett-Packard HP 9100A desktop calculator (weighing 40 pounds (18 kg)) cost just under $5000. [50] [51] But in 1972 Hewlett-Packard introduced the HP-35, the first handheld calculator with scientific functions, at $395 – the Fuller went out of production the next year.
Concurrent with these events is the establishment of the Casa de Moneda de Manila in the Philippines in 1857, the mintage starting 1861 of gold 1, 2 and 4 peso coins according to Spanish standards (the 4-peso coin being 6.766 grams of 0.875 gold), and the mintage starting 1864 of fractional 50-, 20- and 10-céntimo silver coins also according ...
The first half of the 20th century saw the gradual development of the mechanical calculator mechanism. The Dalton adding-listing machine introduced in 1902 was the first of its type to use only ten keys, and became the first of many different models of "10-key add-listers" manufactured by many companies.
The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). The imperial system of units, imperial system or imperial units (also known as British Imperial [1] or Exchequer Standards of 1826) is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.