An 8ins.(20cm) radius ladder frame sextant,
by Lorieux A Hurlimann, Paris. Reading from -5 to 160 degrees on the silvered scale and numbered (5255) on the arc. Then index arm with hinged magnifying lens and a vernier to 10 seconds. Fitted with three horizon and four sun shades. In a fitted mahogany case, with sight tube, telescope, inverting scope and large star telescope. With two dark lenses, sight vanes and adjusting key.