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Prior to chronometers, the moons of Jupiter were used to estimate GMT. That sucked at sea due to the motion making observations with a high-magnification telescope problematic at best. On land it was relatively easy.I need to look up whether they carried chronometers. The Harrison clocks/chronometers were well established by 1805. But how many chronometers were in American hands?
Could they survive the voyage? Sea voyages are one thing. Banging about in keep boats, canoes and horseback is another! I will look that up!
That said, they could Do something the Mariners couldn’t. They could take sightings to landmarks and pace Off distances. So they may not have needed a chronometer to keep track of Longitude.
But great question and I will do some
Digging on that!!
Sirhr
@sirhrmechanic, "Undaunted Courage" is a book you may find interesting, if you haven't read it already.
Comments?
Other than… could those scope rings possibly be any higher???
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Sirhr
My copy of that book.
Read it back in June.
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There's also a 7 or 8 part PBS documentary that follows the book very closely.
It may be a different name though.
I found one called "The Journey of the Corps of Discovery.". Runs just under three hours.
That sounds like the correct name.
I wonder if it's an edited version.
The narrator for the program sounds like, and probably was Martin Crane.
I did when the covid craziness was in full effect and the real thing was impossible to get. To me it isn’t as good.Have you tried the Tabasco Siracha? Much better than the current rooster version.
But... but... but... That's what Californians voted for. Why can't they just be happy?
My copy of that book.
Read it back in June.
View attachment 8773153
There's also a 7 or 8 part PBS documentary that follows the book very closely.
It may be a different name though.
Is the M61A1 an option or standard?Where can I get one?
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Oh, sorry. Due to updated emissions requirements, the diesel engine emits 0.0069% more evil filth than last year so it won’t be imported after all. Better luck next timeWhere can I get one?
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