$250 in 1805 is equivalent in purchasing power to about $5,589.36 today, an increase of $5,339.36 over 216 years. The dollar had an average inflation rate of 1.45% per year between 1805 and today, producing a cumulative price increase of 2,135.74%.Correct, in order to navigate Lewis had to have working watches. Part of the list of supplies in the journal was a chronometer that cost 250 dollars that's a lot of money for the early 1800s. The watches Lewis used would have been set to GMT that's required to navigate by compass and sextant. It's actually astounding that traveling 8000 miles of unexplored country Lewis only missed his destination on the Pacific coast by less then 50 miles. Here's Lewis's 250 dollar chronometer.
That's the same watch my Dad bought used when he went to work for the B&O after the war. I posted his watch on page 3 of this thread.My father purchase a used Hamilton int the 40s. It has the o22B movement. I’ve read of people getting accuracy rivaling a quartz be laying it. Certain way etc. some tout that it is the most accurate mechanical watch.
If one works outside all the time at the same place, the time can be guessed pretty well. You know which way south is and where the sun will be. At night everything revolves around Polaris. If you are at a checkpoint in the middle of nowhere, there is not much else to do.
I had a sundial/compass for several years and it was accurate with in 15 minutes on a clear day!The other day, I was reading thru my 1902 Sears catalog and came to the pages that showed watches. There were three pages of them, all pocket watches. Not a wrist watch in sight.
That got me to thinking, "I wonder when wrist watches became common?"
Doing some digging, I found that the wrist watch really was a rarity before 1904 so, any of you reenactors who are wearing one is making a mistake if your time period is before 1904 or later.
That got me to wondering when the pocket watch became popular.
It turns out, the first pocket watches were made surprisingly early. One was mentioned as early as 1462. A man in Nuremberg was manufacturing them in 1526.
The first American produced pocket watches with machine made parts appeared in the 1830's so IMO, you would have to be fairly rich to own one prior to that time.
Not likely a farmer, hunter or trapper would own one.
That brings up the question, how did the early people on the go figure out what time it was? I'm guessing that a few might have had accurate sun dial's .
For a traveler, such a thing as a sun dial/compass existed and one of these with the addition of a hourglass could provide the local time into darkness when the person could get a bearing on the stars to figure out what his longitude was.
Is that "daylight savings time" or just regular time?Missouri is all most due south of the magnetic North Pole, my sun dial is with in ten minutes of true time.
Magnetism doesn't affect the position of the sun.I’m a little foggy but how does the magnetism of the earth affect the position of the sun?
I'm sure you are correct.I would imagine that while trapping or exploring, a watch was not a necessity. You ate when you were hungry, slept when it got dark, woke up and worked the rest of the time. In the mountains, the stars, and flight of the sun was a pretty good compass.