Parker's Prestometer Tablet, mid 19th century

Made:
circa 1860 in London and England
Calculating Rule 'Parker's Prestometer Tablet', c Calculating Rule 'Parker's Prestometer Tablet', c Calculating Rule 'Parker's Prestometer Tablet', c Calculating Rule 'Parker's Prestometer Tablet', c

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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License this image for commercial use at Science and Society Picture Library

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Calculating Rule 'Parker's Prestometer Tablet', c
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Calculating Rule 'Parker's Prestometer Tablet', c
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Calculating Rule 'Parker's Prestometer Tablet', c
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Calculating Rule 'Parker's Prestometer Tablet', c
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Calculating Rule 'Parker's Prestometer Tablet', c.1860 by Isaac Aston, London. One side of the rule is inscribed with multiplication tables involving halves.the other side has more complicated scales involving areas and volumes.

Details

Category:
Mathematics
Object Number:
1999-685
Materials:
boxwood, brass and complete
Measurements:
overall (open): 10 mm x 151 mm x 382 mm, 0.62 kg
type:
ready reckoner
credit:
Tesseract