assembling and trueing up
with some old water marks and stains
1875) was a master mariner from Southampton
’St’ means the shell case was strengthened
including those of John J
Jonathan Bennison Surveyor's Compass, Liverpool c.1825 Stanley assembling and trueing upA rare Georgian prismatic surveyor's compass, dating from c. 1825. The compass is a Schmalcalder type, with a brass case, screw threaded lid, prism and vane sights, ring dial, transit lock, and tripod mount on the base. There are no maker's marks, but the compass lid is engraved 'J. Bennison, Liverpool' and the base of the compass is also engraved with the initials 'J B'. Jonathan Bennison (c. 1793 1841) was a surveyor and map maker working in