Graduation. Simm's Self Acting Circular Dividing Engine

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

This highly quality engraving was created in the mid 1800s by Charles Tomlinson for a cyclopedia.
Tomlinson (1808 - 1897) was a British scientist and a member of the Royal Society.
It is an original antique print and in excellent condition.