Tribrach looks identical to the one attached to a KE-1 theodolite I've had sitting around for many years. Before K&E distributed Askania theodoli...

Might be a Sokkia/Sokkisha TM1A. Note the position of the micrometer knobs in these two pictures.

Looks like you are not alone.You'll see a link for reporting bugs in the postings.I tried and had same problem, blank page.Slightly off topic but here...

I only know of this camera, the Ricoh G700SE or a previous model, saw one demonstrated once. Definitely a high end product sold by a limited number o...

I don't think there's anything except the abstract on the web. Clicking on the other links takes me to a page with a not found message. Probably hav...

1944 might be right. Found a bit more information here:Click on full record info for a few more details.Appears to be abstract for article appearing ...

Google search turned up this:andNo experience with any of these and don't own an iPad.

The fluid in a level vial is an alcohol based fluid very much like vehicle antifreeze. Compare the yellow color of some vials to the Prestone in your...

German Mining Theodolite - I believe K&E offered this in their catalog many years ago.Electric spark can be source of ignition for methane gas in ...

Bunnies? or maybe coyote or fox.Rabbits chewing on wires in autos parked at the Denver Airport have been a problem for quite a while now.Have heavy st...

This link to product drawings might help you identify the item(s) needed but you'll need the SECO item number to find your backpack. Might be a tag o...

Batteries of all types do have a shelf life some much longer than others. Be sure your supplier is selling you fresh batteries, not ones that have be...

Found this case study from the software company that was used to make the Total Care web site.Maybe the subscription gets you access for three users t...

I think this might be used in optical tooling applications where an angle other than 90 degrees needs to be set. Most optical tooling measurements ar...

I see Mod 280 in the description. The one with four leveling screws could be a modified version of this:From a 1966 Brunson catalog. Brunson often m...

From the Suunto web site about Marine Compasses:Forestry Suppliers repairs the more expensive Suunto compassess:(Disclaimer I have no connection to Fo...

I've had basic budget residential AT&T (the company formerly known as Southwestern Bell in my location) for 30+ years. Added basic DSL about ten ...

In our school district police and fire have staged practice drills in schools during holiday breaks. I think this started after the Columbine shootin...

You might be interested in this link:When I was working for a surveying product dealer in a location where temperatures could be below zero in the win...

You're describing the Zeiss adapter sold by Sokkia Corporation. Probably long discontinued by Sokkia but maybe a dealer has one just waiting to find ...