A FINE AND RARE 19TH CENTURY MAHOGANY TWO DAY MARINE CHRONOMETER OF SMALL SIZE BY ARNOLD & DENT, LONDON, NO. 848, CIRCA 1836 the three piece case with hinged lid opening to the glazed viewing panel, also hinged and with original case key, with sides with brass swing handles, the front with a circular disc numbered '848', the chronometer mounted in a brass bowl with gimbals and gimbal lock, with original winding key, the reverse of the brass cover with hinged winding hole cover, the 3.25 inch silvered dial signed 'ARNOLD & DENT 84 Strand London No. 848', with subsidiary dials for running seconds and power reserve running from 0 - 48 hours, the movement with detent escapement and temperature compensated balance, 14.5cm wide x 14.5cm high The movement is currently running but not fully tested or guaranteed. For a comparable Dent chronometer of small size at auction see Sotheby's, London, 25 April 2007, lot 8. John Roger Arnold and Edward John Dent were in partnership between 1830 and 1840.