TENT SEXTANTS, NACLES AND COMPASSES, ROID. MERCURIAL, AND
DARD BAROMETERS. LESCOPES, IOCULARS,
AWING RUMENTS.
ETC.
“HEZZANITH”
To
the Lords of the Admiralty,Board of Trade, Hon. Corpora tion of Trinity House.
The Canadian,
American, Italian, Chilian
& Japanese Navies, Etc.
HEATH & CO., LD.
CRAYFORD, LONDON.
Cables: POLARIS, L’DON.