It looks like an alidade for plane table topography.

Become a realtor and harass surveyors until one of them shoots me.

And the Hawaii'an monk(?)

Dennis Moistener(SP?) with his fabulous videos.

Dave Karoly

Give it back to the museum!

@bstrand : I have very few hard and fast rules, but NOTHING IS EVER TO BE SET ON THE REAR BUMPER and NO PAINT INSIDE THE CAB OF THE TRUCK are rules 1 ...

"No pedigree, rejected."

I was assigned one time to the city precise level crew.?ÿ When we stopped for lunch the rods were put away into the tubes atop the truck, the tripod i...

Yes, as you say the perpendicular bisector of the misclosure course points to the point with an angular error, or one near it. And a least squares ad...

One way to find an angular error is to recalculate the traverse by changing your starting point to include every set-up. The starting point that gives...

If I'm not technically, professionally, ethically, and morally qualified to survey my own property then I'm not qualified to do anyone's.

I have a copy of Bruce Flushman's "Water Boundaries" for the highest bidder of a contribution to SurveyorConnect.