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A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)

Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 96

An illustration from A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams, 1829, leaf 96
r antecedent, the same lineC D or EF will indicate its consequent in thesame ratio taken the same way : that is, if theantecedent and consequent lie on the same sideof the slider, all other antecedents and conse-quents in that ratio will be in the same manner;and the contrary if they do not. But,… … 1 r-T \w « LOGARITHMS. 8i the first consequent lino. FiT. 9 is a circularinstrument equivalent to the former; consistingof three concentric circles en^^raved and gradua-ted upon a plate of an inch and a half diameter.Two lez^, A and B, proceed from the centre, hav-ing ri^ht-lined edges in tlie…

Encyclopedias and dictionaries · Aeronautics

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