Graduation. Thoughton's Dividing Machine

26.5 x 18 cm (10.5 x 7 inches)
A dividing engine is a device employed to mark graduations on measuring instruments. There has always been a need for accurate measuring instruments such as rulers, verniers protractors, astrolabes, sextants, theodolites, or circles for telescopes

These cyclopaedia engravings were created by Charles Tomlinson in the mid 1800's and are high quality engravings with superb details. They would look fantastic on a desk or in a study.
The paper is in excellent condition and has text on the reverse.

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