Tag Archives: optical instruments

Optical Instruments Used By Surveyors Need Calibration

For civil engineers, land contractors, and surveyors, precision and accuracy are of the utmost importance. A small margin of error in measurements can lead to significant deviations in the final outcome of a project, potentially causing delays, additional costs, or even structural failures. To maintain the highest levels of precision and accuracy, professionals in these […]

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What was a 3 Arm Protractor Used for?

The three arm protractor is one of the best instruments used in determining one’s location. While many professionals today use custom telescopes and other more advanced optical instruments, the 3 arm protractor was helpful in performing surveying tasks back in the day.  In this article, we cover the possible practical uses of a 3 arm […]

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