History from below mathematics instruments and archaeology stephen johnston
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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

History from below

Mathematics, instruments and archaeology

Stephen Johnston

Museum of the History of Science

University of Oxford


History from below mathematics instruments and archaeology stephen johnston

Astrolabe by Erasmus Habermel, Prague, 1590s?


History from below mathematics instruments and archaeology stephen johnston

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


History from below mathematics instruments and archaeology stephen johnston

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


History from below mathematics instruments and archaeology stephen johnston

Leonard Digges, Tectonicon (London, 1556)


History from below mathematics instruments and archaeology stephen johnston

Leonard Digges, Tectonicon


History from below mathematics instruments and archaeology stephen johnston

Folding rule by Humphrey Cole, London, 1574


History from below mathematics instruments and archaeology stephen johnston

Leonard Digges, Tectonicon


History from below mathematics instruments and archaeology stephen johnston

Longport House carpenter’s rule, 1635


History from below mathematics instruments and archaeology stephen johnston

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


Longport rule square root table

Longport rule Square root table

Product4 x 155 x 126 x 10

Root 7,14 7,15 7,15

Product5 x 168 x 10

Root 8,18 8,19

Product6 x 168 x 12

Root 9,16 9,15

Square roots expressed in inches and twentieths


History from below mathematics instruments and archaeology stephen johnston

La Natiere wreck, St Malo


History from below mathematics instruments and archaeology stephen johnston

Samuel Sturmy,

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


History from below mathematics instruments and archaeology stephen johnston

La Natiere wreck, St Malo: “1648 IC”


History from below mathematics instruments and archaeology stephen johnston

One foot carpenter’s rule

Whipple Museum of the History of Science University of Cambridge


History from below mathematics instruments and archaeology stephen johnston

Rule with board scale and timber and board tables, 1648

Whipple Museum


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