From: Howard Engelskirchen (howarde@TWCNY.RR.COM)
Date: Mon Apr 19 2004 - 11:18:50 EDT
That's enough metaphor to make a person queasy! Howard ----- Original Message ----- From: "Michael Williams" <michaelj.williams@TISCALI.CO.UK> To: <OPE-L@SUS.CSUCHICO.EDU> Sent: Monday, April 19, 2004 9:05 AM Subject: Re: [OPE-L] (OPE-L) nautical digression > -----Original Message----- > From: OPE-L [mailto:OPE-L@SUS.CSUCHICO.EDU] On Behalf Of Gerald A. Levy > Sent: 29 March 2004 23:29 > To: OPE-L@SUS.CSUCHICO.EDU > Subject: (OPE-L) nautical digression > > Ahoy Michael W! > > [Michael Williams] ... In a CJE article I once > > used a metaphor that might appeal to Cap'n Jerry: History is like > > dead-reckoning in ocean navigation: jolly useful in telling you how you > > got to where you THINK you are. But to grasp where you are going it > > is necessary to get a fix on where you are by reference to geographical > > or heavenly features: the 'fixed point of the system just so it still is > > THE system. Then we dead-reckon again as we are buffeted by the > > storms of contingency. ("Events dear boy, events", as conservative > > PM Harold Macmillan - I think - was alleged to have said in response > > to aquestion about why the conservative government's policy wasn't > > where they thought it was.) > ... > To begin with, a good sailor never trusts completely in their dead > reckoning. As you say, dead reckoning tells you where you think you > are but a miscalculation of tide, current, leeway, speed made good, etc. > can all mislead a trusting sailor. [Michael Williams] Of course [Michael Williams] ... > a sailor is only reassured by a positive "fix." Even then, buoys may > have moved, light and/or sound characteristics of lighthouses may have > changed, shoreside distinguishing features may have changed or > might be confused with other similar-looking points on land, etc. In > any event, whether dead reckoning or celestial navigation is used, the > sailor relies on a chart. Alas, we have no accurate charts nor compass > to help guide us away from the reefs of political economy and into the > snug harbor of an egalitarian society. [Michael Williams] Well, VFS tries at least to indicate where be dragons and hostile inhabitants, and where water is potable, in order to improve the chances of a safe journey > > As for ocean navigation, note that there is more margin for > error than while coasting. Contrary to the belief of lubbers, good > sailors know that there are far more dangers near the land: the > motto should be 'respect the sea but *fear* the land!', laddie. [Michael Williams] Of course As for > celestial navigation: while a knowledgeable sailor using an accurate > sextant and chronometer and nautical almanac (including 'reduction > tables' -- aye -- thar's a 'reduction problem' that we haven't yarned > about) and chart can determine her or his position (conditions > permitting) with reasonable accuracy any place on the ocean, the > entire system is built on a fallacy: i.e. celestial navigation assumes > that > the sun, the other planets, and the stars revolve around the Earth! > It thus begins with a false premise yet nonetheless can be used to arrive > at accurate results. I wonder if that's like beginning with > transcendental > idealism .... [Michael Williams] That's just rude! Surely we are all working towards reliable, cheap and portable GPS's so that everyone can find out where they are as a prelude to realising they want to be somewhere else? Salty greetings, [Michael Williams] michael
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