The defining feature of a Hilger & Watts Microptic theodolite is its internal glass scale readout. Reading the No. 1 (Scale-Reading) Model
Hilger & Watts changed designs subtly over decades.
Always store the instrument in its original green metal or wooden carrying case. Ensure all clamps are lightly loosened when stored to prevent stress on the internal mechanical threads. 7. Troubleshooting Common Issues hilger watts theodolite manual
Avoid applying heavy commercial oils or WD-40 to the exposed gears or tangent screws. These attract abrasive dust and gum up the fine threads. Use high-grade, low-viscosity instrument grease sparingly, or leave the mechanisms clean and dry if working in dusty environments.
: Specifically designed for tracking weather balloons, these featured unique hand-cranked micrometer drums and a closed-frame design to withstand harsh environments. The defining feature of a Hilger & Watts
Look through the optical plummet. Adjust the tripod legs until the crosshairs of the plummet are centered directly over the ground mark. Step 2: Levelling the Instrument
Rotate the instrument through 180 degrees. If the bubble stays centered, the instrument is level. If it drifts, the bubble vial requires calibration. Step 3: Focusing and Eliminating Parallax Always store the instrument in its original green
Vintage Hilger & Watts instruments are remarkably durable, but decades of storage or field use can introduce errors. Common Field Adjustments Potential Cause Field Correction Incorrect eyepiece focus
Look along the external gun-sights on top of the telescope to align it with your target (e.g., a surveying prism or ranging rod). Clamp the motions.
Geodetic surveying, triangulation, precise industrial alignment, and underground mining.
The Hilger Watts theodolite is a precision instrument that requires careful handling and operation to ensure accurate and reliable measurements. By following the guidelines outlined in this article and consulting the Hilger Watts theodolite manual, users can ensure that their instrument is properly calibrated, maintained, and operated to achieve optimal results. Whether you are a surveyor, engineer, or researcher, this comprehensive guide provides the knowledge and expertise you need to get the most out of your Hilger Watts theodolite.