United Kingdom. A Verners Pattern Mark Vii Prismatic Compass, 1917 Auction Archive 1918 at St

1918 at St

48 mm (w) x 43

St John Ambulance Service Clasps Strand (bronze gilt

Sarah Jane Reed of Manchester

United Kingdom. A Verners Pattern Mark Vii Prismatic Compass, 1917 Auction Archive 1918 at StIn brass, the exterior presents a lid impressed VERNERS PATTERN VII on the top, a central glass window, and a fixed sight arm, the base presents engraved with cardinal, half cardinal, false points and numerical values ranging from 1 35, a momentary bearing lock at 11 oclock, a sliding transit lock at 4 oclock, the triangular hinged prism at the rear of the compass can be tilted up, a large bow is attached to the base of the prism, the bottom is