 | William Hawney - 1721 - 376 σελίδες
...Pjorfpfe, there is a Line upon moft ordinary Joint-Rules, with a little ÏVble plac'd upon the End of «II fuch Numbers as exceed the Length of the Rule, as in this little Table anrvexld. Hfre yru fee, if the Breadth .be one Inch, theLehgrh muft be ii Feet ; if 2 Inches, the Length... | |
 | William Hawney - 1751 - 370 σελίδες
...a Foot. Y 2 There There is a Line for this Purpofe upon moft ordinary Rules, with a little Table at the End, of all fuch Numbers as exceed the Length of the Rule, fuch as this annex'd. ' o | o| o-jo|9|o|11|3J9| Inches. 144 | 36 | 16 | 9 | 5 | 4 | 2 | 2 | i | Feet.... | |
 | William Hawney - 1775 - 372 σελίδες
...Length of a Foot. There is a Line for this Purpofe upon mof t ordinary Rules, with a little Table at the End of all fuch Numbers as exceed the Length of the Rule, fuch as this annexed. Here you fee, if the Side of tne Square be i, the Length mull be 144 Feet; if... | |
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... of Inches, and run that Extent along the Board, from End to End, you may find how many Feet that Board contains ; or you may cut off from that Board any Number of Feet defir'd. For this Purpofe there is a Line... 