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I agree ? *Thank you for bringing the time up.* It surprising what how far lust one minute off is at the equator. Calculation 1 Diameter at equator (1/1) 24,500. ÷ (1/2) 24. = One hour at

*?*?How Accurate does a?*?* *?*?Celestial Fix need to be?*?* *This also includes GPS ?* Part 2 of 2 ? Celestial navigation is used when you are far out at sea, when no other

Need a good watch if you want latitude and longitude.

*?? Sextant vs GPS ??* Part 1 of 2 GPS is the most accurate around 40 inch or 1 meter. The drawback list. * Satellite ? and other countries take out * Satellite and space debre * Sun

Thus what need next Halloween

Found the bug is a mouse Now need a mouse trap to fix my wires

Most production machine Shop will have this for both quoting and doing. This also used in design and? engineering so can receive the finished whan on part. This finished can change the cost of

Chart on different hard scales

Here what put book in 2015. It from the hardness tester I have from 1970’s I wrote book before I had 106 Chemotherapy treatments

I like your post after reading I change this ON THE FUNNY SIDE and forgot this good one if want please repost to the ON THE FUNNY SIDE. PLEASE POST MORE FUNNYS Dave

Here pass from 1970’s patten too. A ball drop Today's hardness tester A ball drop notice the size [COLOR="#800000"][b] [CENTER]???? ? ??? [/CENTER].? ?[/B][/COLOR] This side I use

Lucky dog * Warm teepee * Scrape * Only do guard duty while sleeping * Health care * Bed Dave

It's hard to find current data, but the movement of the poles has been speeding up.? You can see it some from 1980 to 2015 but it's moved quite a bit in 10 years.? The south pole is headed for the

Here a web site show the magnetic north vs true north.? The compass part may work if you have the magnetic senor https://www.ngdc.noaa.gov/geomag/calculators/mobileDeclination.shtml#Compass Dave