The Jacob Staff: More Than A Compass’s Best Friend

Ah, the versatile Jacob staff. At first glance, it appears to be a simple staff, but from a historical point of view the Jacob staff has been a handy tool for surveying and navigation. It’s actually kind of a little wonder of trigonometry, which is one of our favorite subjects … Continue reading

Instrument Calibration Services From Warren-Knight

Without instrument calibration, the world could literally fall apart. While that might be a bit of an exaggeration and serious issues might not happen overnight, as time passed and instruments fell farther and farther out of alignment, there would be serious repercussions. Let’s just take one example. In the medical … Continue reading

The Many Uses For Alidades & Telescopic Alidades

Who doesn’t love an alidade? We sure do, and not only do we sell a high-quality, military-grade telescopic alidade, we also enjoy spreading some information about alidades and the many tasks they help professionals accomplish every day. Surveying Tasks Telescopic alidades have been used by surveyors since the early 19th … Continue reading