Description
Three 19th Century Brass Instruments, London, an 8 3/4-in. protractor with scale from 0-360, pointer or marking arm engraved Barry London, with a central glass aperture with etched crosshairs, in a fitted mahogany case; a 10 1/2-in. brass and boxwood rolling parallel rule marked W.H. Harling 47 Finsbury Pavement London...