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Signature	Maker	Instruments	Comments	Location	References
MARQUIS, T.	England, c.1790, MIM	Set Square with Rules = D.(1983).	invented a type of plotting system much used by the military; "Teacher of the Military Sciences."	N° 1 Charing Cross, London.	Wynter 1; Coffeen 27.
MARQUIS, T.	England, c.1790, MIM	Set Square with Rules = D.(1983).	invented a type of plotting system much used by the military; "Teacher of the Military Sciences."	N° 1 Charing Cross, London.	Wynter 1; Coffeen 27.

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