Singer's Patent Pocket Compass c.1885 Sopwith with some minor wear and

with some minor wear and a few marks

A rare FB1204 Artillery / Surveyors Prismatic Compass

and a mother of pearl dial with a triangular luminous North marker

and some minor marks

Singer's Patent Pocket Compass c.1885 Sopwith with some minor wear andA Singer's Patent type pocket compass, dating from c. 1885. The compass has a paper card, brass pivot, brass case, and bevelled glass. The compass card is the classic Singer's design, which was patented by Samuel Berry Singer in 1861. It is marked 'Trade Mark' above a logo depicting crossed arrows within a lyre. This use of the 'Trade Mark' wording and lyre motif is very similar to the well known Francis Barker & Son 'Trade Mark London' logo. It may