On 2008/08/07, at 8:18 AM, Ron Stone wrote:


Dear Pat,

I was reading the Metrication Timeline [2008 p 65] and read that 16 nations signed the Metre Convention during the final session. See

However the following web pages and the SI Brochure indicate that Metre Convention was signed by 17 signatories during the final session.


http://www.bipm.org/utils/en/pdf/metre_convention.pdf

http://lamar.colostate.edu/~hillger/laws/metric-convention.html


Was there a reason for writing that there were 16? Or does this call for a correction for the Metrication Timeline?



Cheers,

Ron


Dear Ron,

Thanks for your question. I always appreciate opportunities to improve the metrication matters web page.

My first thought was that I had made a mistake, so I decided to check again only to find that although Wikipedia agrees with the number you suggest, 17, but then only lists 12 nations who signed the Treaty of the metre in 1875 and the USA was not one of them. Here is the Wikipedia list sorted into chronological order. Note the first twelve before Portugal.

I will copy this reply to the USMA mail list in case anyone else can help us out with this intriguing problem.
Austria 1875

Belgium 1875

Denmark 1875

France 1875

Germany 1875

Italy 1875

Norway 1875

Russian Federation 1875

Spain 1875

Sweden 1875

Switzerland 1875

Turkey 1875

Portugal 1876

Argentina 1877

United States 1878

Serbia 1879

Venezuela 1879

Romania 1884

United Kingdom 1884

Japan 1885

Mexico 1890

Canada 1907

Chile 1908

Uruguay 1908

Bulgaria 1911

Thailand 1912

Brazil 1921

Czech Republic 1922

Slovakia 1922

Finland 1923

Hungary 1925

Ireland (already accepted as Ireland was part of the UK when the UK signed) 1925

Poland 1925

The Netherlands 1929

Australia 1947

Dominican Republic 1954

India 1957

Korea Republic of [South] 1959

Indonesia 1960

Egypt 1962

South Africa 1964

Cameroon 1970

Pakistan 1973

Iran 1975

the People's Republic of China 1977

Korea Democratic Republic of [North] 1982

Israel 1985

New Zealand 1991

Singapore 1994

Greece 2001

Malaysia 2001

Cheers and thanks again for alerting me to this issue,

Pat Naughtin

PO Box 305 Belmont 3216,
Geelong, Australia
Phone: 61 3 5241 2008

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