On 2009/03/15, at 5:56 AM, Victor Jockin wrote:

…  The ill-fated
example of the DOT's attempt to enforce metric construction specs is the prime example (though that same department is principally responsible for the failure of US metrication because it declined to change road signs when
it could have done so without further authorization).


Dear Victor,

Do you know if the DOTs attempted to go metric using centimetres?

This web page — http://www.tfhrc.gov/pubrds/summer95/p95su14.htmindirectly suggests that the Federal Highway Administration intends to use centimetres as they approach metrication. This is in their first sentence. I suspect that the guillotine, being a precision instrument of the 1790s would almost certainly been engineered to within a millimetre — especially for the blade.

As you probably know, I have yet to see, or hear of, a successful metrication transition using centimetres.

See http://www.metricationmatters.com/docs/ centimetresORmillimetres.pdf for a long discussion of this issue.

Cheers,

Pat Naughtin

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

Metric system consultant, writer, and speaker, Pat Naughtin, has helped thousands of people and hundreds of companies upgrade to the modern metric system smoothly, quickly, and so economically that they now save thousands each year when buying, processing, or selling for their businesses. Pat provides services and resources for many different trades, crafts, and professions for commercial, industrial and government metrication leaders in Asia, Europe, and in the USA. Pat's clients include the Australian Government, Google, NASA, NIST, and the metric associations of Canada, the UK, and the USA. See http://www.metricationmatters.com for more metrication information, contact Pat at pat.naugh...@metricationmatters.com or to get the free 'Metrication matters' newsletter go to: http://www.metricationmatters.com/newsletter to subscribe.

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