Here's an image of how I set mine up to get the results you specified.In particular, make sure that the box on the left side labeled "Increment from B...

Thank you to everyone who commented and helped research this. There's a massive amount of accumulated knowledge and experience amongst the members he...

I believe that your first scenario is the most likely. From what I can tell from the photos of the T3R modifying it into a normal T3 would required a...

Wild T3 manual PDFThank you for the link. I'd found a copy of that one and TM-5-6675-231-24P last year when I was doing my initial T-3 research but yo...

Good eye on the set screw. Looks like it was accessed at some point and they used a different shade of green wax to re-seal it. The screw is actually ...

Mine does not have the additional light on top of the standard near the micrometer knob like the photos you posted. Mine also does not have the reloca...

This is one of the instruments from that auction. There was one other instrument with the tubes in that auction. That instrument had an additional mod...

I emailed Jürg late last night with the photos, serial number, and the other numbers on the instrument. I'll post any information he provides.

The T3 at the Smithsonian is serial number 91599, seven lower than mine with the same contract number (DSA-700-69-C-G570) and FSN (6675-411-5446) and ...

Serial Number is 91609 dated 1969The micrometer reads 0-60. I was stumped as to how to read it until I ran across an explanation on the net of the tw...

I was betting that you would've seen one of these before. For what it's worth, they don't look like an add-on. The paint, screws, wiring and general ...

Please don't throw something at me ...I don't delete files from my Trimble 4000sse's that I use for static work until I'm tight for space. More than ...

Email sent. Let me know if there are any vintage tripods in the upcoming items.

Bearings ALWAYS produce perfect angular closureIf you had the original surveyors field book with the actual angles he turned at each corner rather tha...