A rare antique Quintant / Sextant made by E. Smith from Whitbread's, London.

A Quintant is similar to the more common and better known sextant and used in the same way.

A fine late 19th century navigators Quintant, engraved on the arc E. Smith from Whitbread's, London. The silver scale reads from -5  degrees to 165 degrees and is divided into 10 minute increments. The index arm has swinging scale magnifier and the silver vernier scale reads from 0 to 10 seconds of arc. 6 inch radius.