time, off topic

2011-06-23 Thread Frank Evans
During Darwin's famous voyage aboard the Beagle, Captain Fitzroy had 22 chronometers aboard, no doubt to obtain accurate longitudes. This seems pretty excessive and I'm wondering how many (or few) chronometers would have reduced his time errors to an acceptable level. Any thoughts? Poisson

Re: time, off topic

2011-06-23 Thread Kevin Karney
Fitzroy was the geek of his time - he was rich enough to own 22 chronometers and he was interested in everything - (especially meteorology - hence the Shipping weather forecast zone called after his name and the Fitzroy Storm Glass) A 'normal' naval ship in those days carried three chronometers

Re: time, off topic

2011-06-23 Thread Douglas Bateman
Dear Frank, To add to Kevin's reply I have a contact at Greenwich Observatory who replied to my amazement that there were that many chronometers on board, and said: Dear Doug, Yes there were that many, not all were government, if I remember properly 5 were Fitzroy's own, 2 were loaned by

Re: time, off topic

2011-06-23 Thread John Pickard
To: Sundial sund...@rrz.uni-koeln.de Sent: Thursday, June 23, 2011 6:51 PM Subject: time, off topic During Darwin's famous voyage aboard the Beagle, Captain Fitzroy had 22 chronometers aboard, no doubt to obtain accurate longitudes. This seems pretty excessive and I'm wondering how many (or few

Decimal points and precision of time (off topic)

1999-05-31 Thread Robert Terwilliger
Message text written by INTERNET:[EMAIL PROTECTED] If you are British Airways, the time is 0925 Zulu, and a jolly good morning to you. If you are United, it's about half past nine, and you all have a nice day. If you are Red Centre Air Services, it's almost the end of May, and she'll be