Lot 138

IRISH BRASS POCKET SUNDIAL COMPASS, SPEAR & CO, DUBLIN
EARLY 19TH CENTURY





Auction: Five Centuries Day One | Wed 11th November | Lots 1 to 322
Description
the circular case with push fit cover enclosing a signed engraved Roman chapter ring with hinged gnomon, above a glazed engraving on paper compass dial with blued steel pointer
Dimensions
6.5cm diameter, 2cm high
Footnote
There were two mathematical instrument makers named Richard Spear registered in Dublin between 1791 and 1837.




