That is really good. I appreciate knowing about it!Cheers,Henry

That's a handsome instrument.The turning of the compass lens ring might be accomplished with one of those rubber disks that kitchenware stores sell fo...

“In the mid-1930s, the tolerance for surveyors was about 10 feet,” Smith said. “Today, that tolerance is more like 10 inches. Boundary lines were not ...

Thanks very much for your response.I feel fairly secure in my grasp of the concept. I have trouble with the example given in the two figures on p. 17...

They brag on their "dedication to pushing the boundaries of accuracy . . . ." Is that good?Cheers,Henry

Pasteur, 1854: "Dans les champs de l'observation le hasard ne favorise que les esprits préparés."This is most often quoted as “Chance favors the prepa...

“From the '73 Manual . . . I don't think it's changed in the '09.”The 2009 Manual adds two sentences to the longer paragraph you quote near the end of...

This kind of thing goes on in many, many professional and academic situations. I spent thirty-some years teaching college English, and never met a co...

"Inverted number prism type pole." I'm not sure either, but I guess inverted numbers could maybe be helpful when you're looking at them through an in...

Hammer et aliaThe Right Tool for the JobThree of them around the broken balertoward the middle of the hot hayfield,hunting for the place where the fai...

The Arc of the Medicine Line: Mapping the World's Longest Undefended Border Across the Western Plains, by Tony Rees. Good read about surveying the US...

:good: Cheers,Henry

We can't remember how we acquired our copy, but it holds a place of honor among our surveying books. The PDF has its downside in the form of weird mi...