Kolkata

This surveying tool, a 24-inch Theodolite, was constructed in 1846 by a mathematical Instrument Maker, Saided Mir Mohsin Hoosain.

This surveying tool, a 24-inch Theodolite, was constructed in 1846 by a mathematical Instrument Maker, Saided Mir Mohsin Hoosain.

This surveying tool, a 24-inch Theodolite, was constructed in 1846 by a mathematical Instrument Maker, Saided Mir Mohsin Hoosain. A fascinating piece of equipment.

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