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A PAGE OF USEFUL LINKS RELATING TO COMPASSES & SCIENTIFIC INSTRUMENTS

 

THE ONLINE COMPASS MUSEUM

 

COMPASS LIBRARY

 

INTERPRETING ENGLISH SILVER HALLMARKS

 

THE COMPASS COLLECTOR (SINGER'S PATENT)

 

LATITUDE & LONGITUDE FINDER

 

U.S. NAVAL OBSERVATORY ASTRONOMICAL INFORMATION CENTER

 

HOWARD SUN COMPASS DISC ONLINE CREATOR

 

MAGNETIC COMPASS ADJUSTMENT

 

BRITISH SUNDIAL SOCIETY

 

PYSER OPTICS - FRANCIS BARKER COMPASSES

 

SIRS NAVIGATION (G-150 COMPASSES)

 

 

 

 

 

 

 

 

 

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