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Brass Theodolite 10

Wholesale Nautical Decor - Brass Theodolite 10"

Brass Theodolite 10"

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Overall Dims: 3" L x 3" W x 10" H

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SKU: LI-1513

Brass Theodolite 10"

This Hampton Nautical solid Brass Theodolite 10" is beautifully detailed, functional, and calibrated. Theodolites are still used today for ultra high precision optical alignment and measurement. 

The azimuth and elevation axes can be read on a vernier scale with the aid of built-in magnifiers. Both axes have slow motion controls and the telescope can plunge and reverse to reduce bearing errors. With a magnetic compass mounted on top, the azimuth axis has a second spirit level mounted on the telescope with a mirror to assist in leveling while the telescope utilizes precision optics and has a brass lens cover. The theodolite's 22-power non-inverting telescope has two focusing adjustments; one for the precision reticule focus and another for focusing the target. 

Brass theodolite is primarily for nautical decoration and not manufactured for use as an actual measurement instrument

Key Features:
  • Solid brass housing and body

  • Functional compass and telescope

  • Glass optics for clear viewing

  • Modern design on a classic nautical instrument

WARNING WARNING: This product can expose you to chemicals including Formaldehyde, and Styrene, which are known to the State of California to cause cancer, and Chromium and Toluene, which are known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Additional Information

Used for surveying and reading lines of sight and angles, the theodolite utilizes a telescope mounted on two movable planes, one horizontal and one vertical. Very similar to the navigational sextant, the theodolite is a more advanced device in that it is capable of measuring both the horizontal and vertical planes simultaneously. While the antique sextant can only measure one plane at a time, it has an advantage at sea in that it does not have to be leveled. Mounted on a tripod, the theodolite must be leveled in order to obtain accurate readings. Though the brass sextant and the theodolite operate on the same basic principle, because of their differences the theodolite is more effective on land while the brass sextant operates better at sea. A common tool since the late 18th century, the theodolite had its inception prior to 1512, with the invention of the polimetrum. The first written account of the term “theodolite” was by published in 1571, though the modern instrument was not developed until the 1700s, when the ability to mass produce these tools came about in manufacturing. As with the brass sextant, both British and American navies and sailors used the theodolite in continuing to make accurate maps of both the sea and undiscovered land.