A Hezzanith lattice frame micrometer sextant, the main arc signed and numbered 'Heath & Co. New Eltham, London SE9, Y675', inset silver scale divided 5° - 0° - 145°, 7½in. (18cm.) index arm radius, index mirror with four shades, horizon mirror with three shades, with combined star and sun telescope with other accessories in fitted mahogany carrying case -- 11in. (28cm.) wide, with Hezzanith certificate dated December 5, 1929