An early 18th Century brass horary quadrant, the recto face engraved and dated M.L. 1729, with Gunter projection, hour arcs, azimuth arcs, zodiac symbols and calendar arc with monthly letters and declination scale, the verso face signed M. Lenetin and initialled at the apex T.J., engraving incomplete, with two sights and with plummet and cord - 13 cm diam.