Converting the Wild T-2 for Astronomic use. Part 2Next, I have to remove the three screws from the vertical clamp ring which occupy the screwholes fo...

I took an 8 hour refreshera few weeks back for personal fall protection. The guys from the Discovery Channel showed up with the most expensive rigs w...

Jordan?Kent, if you have it handy, it might be interesting.

Bomford was English.DIN is German.Wouldn't be the first difference of opinion between those particular nationalities.

Cliff?Many thanks for clearing that up.Gentlemen such as yourself really should write books for those of us less informed.Thanks again for the info.

Cliff?I thought the Galveston tide level was only held in the two "Special Adjustments" made by Bowie to gage the accuracy of the system, which were n...

Depending on your location (Northern Pacific coast, particularly) there can be substantial difference between NAVD'88 zero and MSL zero.Sea level (and...

Can't you just press "Ctrl" and left click on the screen?

MikeAhhh...I was speaking from my experience. I wasn't aware of the type of extensometers you mention.Just the ones I've used. Just proves you can, ...

Mike,I think he may actually have meant inclinometers.We have a "monitoring specialist" consultant who uses inclinometers and tilt meters (and liquid ...

Get a Leica NA-2 level and a GPM-3 Parallel Plate Micrometer.Invar rods with legs.Tempered steel meter scales.Set realistic monitor points. And get a...