Looks to be about 7" - 8" long? Beyond that I can't even offer a reasonable guess. Nothing to do with the compass itself - that I am reasonably sure...
Big Jack Neal (1881-1973)And the courthouse building on the letterhead is still there. On Google maps street view it is impressive & beautiful!
Big Jack Neal (1881-1973)Thanks for the info. I was hoping you might chime in with this kind of info.
And when they ask for a reduced fee, I tell them I'll reduce my fee by the same percentage they are reducing their fee.End of conversation.
This may not be "correct thinking" and not something you do to sell the idea of con ed, but one of the biggest benefits is that it makes retired peopl...
More info on Pilot-Balloon (PIBAL) weather theodolitesGreat info Nathan - thanks. And FYI, I have one by Gurley as well as a couple others by White.
Nice post...Not sure of the technique used, but that would make sense. However I doubt it. I suspect the "opposite" side of the triangle distance wa...
Nice post...Correct
Yup. that's the way they work. But that is also a place that wears out quite easily and things will start slipping. Sometimes they will slip only on...
No reason other than they called them "Balloon Theodolites" in the day. They were used for tracking weather balloons.
In my opinion ...whether you leave that on your survey or not doesn't make a bit of difference. From everything I have seen if a successor or assign ...
The triangle shaped thing would be the declination arc. It rotates around the circle for the hour angle (time). And the tilting circle would be for ...
It is clearly some attempt at a solar instrument. Are there any markings or names on it?
When I have a bad day ...I like to grab a machete and go cut brush. You can get rid of a lot of frustrations that way.