AN EARLY 19TH CENTURY DRAWING INSTRUMENT SET BY R BAKEWELL in a shagreen etui type case

AN EARLY 19TH CENTURY DRAWING INSTRUMENT SET BY R BAKEWELL in a shagreen etui type case, comprising a pair of brass projectors, a folding boxwood rule with brass circular hinge and stamped with maker's name, a 6" rule and five various instruments, case 6 3/4" high