OCTANT IN OAK WOOD CHEST CA. 1820-1840

Very refined British Spencer-Browning ebony wood octant.
Beautifully manufactured with tree colored horizon glasses,
two mirrors, viewing visor, and bone pencil holder.  
Angle measurement up to 90 degrees, ivory protractor and
vernier, vernier reading up to 20 seconds.  
In the box there is a trading logo.  
Original dark oak case with patina.  
Length index arm 30.5 cm.  
Length case 32 cm. (12.5 inches)

SOLD TO CANADA