Tangent scale

Also found in: Medical.
(Gun.) a kind of breech sight for a cannon.

See also: Tangent

References in periodicals archive ?
e, field, siege, garrison; to give the artillery more tactical flexibility and maneuverability lighter guns were developed, horses were harnessed in pairs instead of in tandem, drivers were soldiers as opposed to unreliable civilians, caissons and limbers were provided, tangent scales and elevating screws facilitated laying the guns; Gribeauval was appointed Inspector General of Artillery (1776); he focused on training young officers, of whom Napoleon Bonaparte was one; Gribeauval also improved pay and living conditions for the lower ranks; as a result of his reforms, the French gained a dominance in artillery that was to last well into the nineteenth century.