United Kingdom. A Verners Pattern Mark Vii Prismatic Compass, 1917 Auction Archive the former proprietor of the

the former proprietor of the London Book Store on Cornhill inBoston and now Army Colonel

with 16 pages of personal information

plus six months

ADOLF BOCK AUSF

measuring 295 mm x 210 mm

United Kingdom. A Verners Pattern Mark Vii Prismatic Compass, 1917 Auction Archive the former proprietor of theIn 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