Well, I was lucky enough to find a T-2 with clean bearings. The bearings hold the striding level attachement. Along with the bearings, a mount is required to hold the striding level in place during observations. The mounts are impossible to find.
Here you can see the T-2 with the bearings rings showing the unpainted steel construction.
I have also removed the two screws which hold the mount for the striding level.
I was also lucky to score, not only, the Horrebow level, but a 1 to 1 scale drawing of the Horrebow attachment, which detailed the required screw size. I was able to have the three required screws manufactured based on the original Swiss drawing. You'll probably never see another Wild Heerbrugg T-2 Horrebow level anywhere.
A close up of the Horrebow level, Striding level, Striding level mount and the two screws I have removed so far.
Well, thats enough work for now. Time for a liquid reward.
Interesting. I thought all Horrobow-Talcott levels were used in pairs. You do know that Horrobow was the Limey Engineer Officer and Talcott was the U.S.Army Engineer Officer, eh?
Mine are set up as pairs ... but on my T-4.
Converting the Wild T-2 for Astronomic use. Part 2
Next, I have to remove the three screws from the vertical clamp ring which occupy the screwholes for the Horrebow level.
A closeup. From the upper left; the Horrebow level, the Striding level, the three screws I had manufactured, the three screws removed from the vertical clamp ring, and the Striding level mount and its two screws.
The Horrebow level mounted and below the two screwholes for the Striding level mount.
Same closeup with the Striding level mount installed.
Several showing the Plate level, Telescope level, Striding level and Horrebow level.
The beast is complete and ready for adjustment.
Well, that took 15 minutes and I am exhausted.
Libation time.
Cliff,
I know a little about Horrebow levels.
My KERN DKM-3A with it's level arrangement.
A real buttkicker to read all those numbers.
Converting the Wild T-2 for Astronomic use. Part 2
Thanks Scott, such fun stuff.
Don't you just love the T-2 and mechanical Theodolites! No motors, no batteries, no software to go bad, no repair guy telling you they don't make that part anymore , no sales person telling you what a dinosaur your ten year old instrument is.
I still have my old T-1 that is almost mint even after daily use for ten years. I took it out to take a sun shot last year and what a pleasure using the real lock and tangent knobs, you know you are using quality equipment and can rely on the results.
Yes, I am getting old, but I know what was good.
Tom Wilson
Converting the Wild T-2 for Astronomic use. Part 2
Scott,
Is the Horrowbow-Talcott level vial chambered? I suspect it is not since it looks like it's captured with the hinge. I have found that the thing that seems to fascinate my students more than anything else are the chambered vials on the Striding Levels for my T-4, BC-4, and DKM-3A.
My DKM-3A does not have a Horrowbow-Talcott level, however.
Come to think about it, the Horrowbow-Talcott level on my T-4 has a hinge, too.
Next you need an Astrolabe attachment for the T-2 or for a T-3 ... or a NI-1.
Nice. This post is a keeper. Thanks for sharing Scott!
