Vintage Belcher Rare One Foot Gunter Rule
Vintage Belcher Rare One Foot Gunter Rule
Vintage Belcher Rare One Foot Gunter Rule
Vintage Belcher Rare One Foot Gunter Rule
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Vintage Belcher Rare One Foot Gunter Rule

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$150.00
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$150.00
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Vintage Belcher Rare One Foot Gunter Rule
Gunter rules are wooden rules with scales to help with navigational calculations. They are named after Edmund Gunter, a 17th-century English mathematical practitioner. 
Antique Belcher Brothers Gunter Scale Boxwood Ruler1853-1877
This is a very rare Belcher Brothers Makers, New York one-foot (12-inch) Gunter scale boxwood ruler circa 1853-1877
Rulers of this type were the forerunners of the slide rule and were used for logarithmic calculations in navigation and other fields
The ruler is marked "BELCHER BROTHERS MAKERS" "NEW YORK". It is also numbered 8542 near the 11" line bottom
The front and reverse face have several scales including those marked: RUMB, CHOR, SINES, TAN, S TAN, LEA, M-L, V SINES
There are small brass pins at various points that were used to prevent wear on the scale when used with other instruments
Condition: No cracks to the wood or excessive wear to the ruler
Beautiful antique patina
Belcher Brothers Boxwood Rulers are the rarest and most valuable.
This one is a beauty!
Very nice rare piece
CONDITION
Very Good
Some slight staining in evidence
No other issues noted
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Please contact us with any questions!