Book, for use in conjunction with Rotula Arithmetica

This 'Specie book', dated 1700, was produced for use in conjunction with the 'Rotula Arithmetica', a device for addition, subtraction, multiplication and division, invented by a dissenting minister, George Brown (1650-1730).

The book contains currency tables. Many of the coins were not Scots-minted silver, but foreign currency, legal tender in Scotland at values fixed by the Privy Council and Parliament.

George Brown also produced mathematical publications popularising the decimal notation.

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Online ID:	000-100-044-458-C
Image Rights Holder:	National Museums Scotland
Project:	0098: National Museums Scotland Project description \| View all records in project
Ref:	National Museums Scotland T.1943.2
Date:	1700 1701
Material:
Dimensions:	114 mm x 60 mm
What:	Rotula Arithmetica / specie book
Subject:	19. MATHEMATICS (Departmental Classification)
Who:
Where:
Event:
Description:	Specie book for use in conjunction with Rotula Arithmetica T.1943.1
References:	Bryden, D. J., 'George Brown, Author of the Rotula' in Annals of Science 28 (1972), pp 1-29: the 'Specie Book' is discussed in detail pp 18-9
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