Lot 408
An early 18th Century brass pocket combination sun dial/compass in the manner of L Grafs, contained in an octagonal engraved brass case with a circular silvered compass and blue steel hand under glass, having a folding crescent marked in degrees, with folding pierced brass gnomon the base engraved with latitudes of cities, Elev Pol, Amsterdam 52, Berlin Bremen 53, Hamburg 54, Riga Moscow 57 And Vogl, 6.5cm  £300-400