Off topic: The old English habit!

1999-03-24 Thread John Pickard
Tony and Fernando, Of course you are both eminently right. And I am sufficiently culturally aware to recognise this. I have also travelled extensively in Latin America (where I met only courtesy, gentle laughter and kindness as the response to my rather pathertic Spanish). But it still

Re: R: Latin motto

1999-03-24 Thread Krzysztof Kotynia
From: [EMAIL PROTECTED] To:[EMAIL PROTECTED] Cc:sundial@rrz.uni-koeln.de Subject: R: Latin motto Date: Tue, 23 Mar 1999 13:42:23 +0100 This is a possible translation: Like life no day without a line ( with the double meaning of wrinkle on

Re: Sun Compass

1999-03-24 Thread Slawomir K. Grzechnik
So far as I know the sun compass was in use in North Africa only. The compass was very specific, it was equipped with the plate engraved with the so called Weir Diagram which consists of concentric ellipses. The diagram's main purpose is determination of azimuth with few simple actions. Accuracy

Re: Magnetic compass

1999-03-24 Thread Thibaud Taudin-Chabot
As far as I understood the main reason for using sun compasses in the Sahara was that a magnetic compass would be rather unreliable on those moving masses of steel called tanks during WW2. At 08:04 24-3-99 +1000, you wrote: -Original Message/Oorspronkelijk bericht-- Folks,

Re: Ignorance is not the same as not knowing!

1999-03-24 Thread Tony Moss
John Pickard contributed: The most difficult thing with my teaching is persuading graduate students from non-western cultures to say I don't understand that, can you explain it again please? Seems to be a loss of face. But it sure hinders their education. This can be a two-way problem. In