Book is long gone. Sorry.

Curta sold. Slide rule still available.

Yesterday I was offered $1000 for both items or essentially $500 each.?ÿ If still interested, shoot me an offer.

In my former life (prior to retirement) I used a best fit software-think it was Triad Boundary Analysis. Worked very well, but I do not know if this ...

BajaOR, post: 415620, member: 9139 wrote: Every case is going to be at least a little different. Here's a sample of the DOT monument records we have ...

I have read the comments above and have yet to see anyone comment on the reference pins set by DOT forces during staking of the project centerline pri...

This level can be rotated (scope turned upside). This allows one to point at the rod-adjust the split bubble-read rod-rotate scope-adjust split bubbl...

Tracer Triangulation (The Launchers)You are right. His name is Jamie Shaw and he may still be in Missoula working for MDT. I do not know if he is re...