The line of proportion or numbers, commonly called Gunter's line made easie [microform] : by the which may be measured all manner of superficies and solids as boards, glass, pavement, timber, stone, &c. : also, how to perform the same by a line of equal parts, drawn from the centre of a two-foot rule : whereunto is added, The use of the line of proportion improved : whereby all manner of superficies and solids may both exactly and speedily be measured, without the help of pen or compasses, by inspection, looking only upon the ruler / by William Leybourn.
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| Format: | Microfilm Book |
| Language: | English |
| Published: |
London :
Printed for Hannah Savvbridge ...,
1684.
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| Series: | Early English books, 1641-1700 ;
766:29. |
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