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History from below Mathematics, instruments and archaeology Stephen Johnston

History from below Mathematics, instruments and archaeology Stephen Johnston Museum of the History of Science University of Oxford. Astrolabe by Erasmus Habermel, Prague, 1590s?. Inch scale, with numerals from 1 to 9 (almost) decipherable.

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History from below Mathematics, instruments and archaeology Stephen Johnston

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  1. History from below Mathematics, instruments and archaeology Stephen Johnston Museum of the History of Science University of Oxford

  2. Astrolabe by Erasmus Habermel, Prague, 1590s?

  3. Inch scale, with numerals from 1 to 9 (almost) decipherable

  4. Timber with a square cross-section (b = c), and for which the volume is to be determined

  5. Leonard Digges, Tectonicon (London, 1556)

  6. Leonard Digges, Tectonicon

  7. Folding rule by Humphrey Cole, London, 1574

  8. Leonard Digges, Tectonicon

  9. Longport House carpenter’s rule, 1635

  10. How to reckon up solid timber when b does not equal c?

  11. Longport rule Square root table Product 4 x 15 5 x 12 6 x 10 Root 7,14 7,15 7,15 Product 5 x 16 8 x 10 Root 8,18 8,19 Product 6 x 16 8 x 12 Root 9,16 9,15 Square roots expressed in inches and twentieths

  12. La Natiere wreck, St Malo

  13. Samuel Sturmy, The mariners magazine, or, Sturmy's mathematical and practical arts (1669)

  14. La Natiere wreck, St Malo: “1648 IC”

  15. One foot carpenter’s rule Whipple Museum of the History of Science University of Cambridge

  16. Rule with board scale and timber and board tables, 1648 Whipple Museum

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