Page:Annales de mathématiques pures et appliquées, 1817-1818, Tome 8.djvu/252

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CADRANS

Table des latitudes.

${\begin{array}{||r|r|r|r|r|r||}\hline l&a&l&a&l&a\\\hline 1^{\circ }&17\,448&26^{\circ }&401\,491&51^{\circ }&613\,631\\2\,\ &34\,880&27\,\ &413\,382&52\,\ &618\,938\\3\,\ &52\,263&28\,\ &424\,968&53\,\ &624\,046\\4\,\ &69\,587&29\,\ &436\,243&54\,\ &628\,959\\5\,\ &86\,827&30\,\ &447\,213&55\,\ &633\,688\\6\,\ &103\,959&31\,\ &457\,878&56\,\ &638\,230\\7\,\ &120\,984&32\,\ &468\,238&57\,\ &642\,594\\8\,\ &137\,847&33\,\ &478\,300&58\,\ &646\,782\\9\,\ &154\,557&34\,\ &488\,109&59\,\ &650\,804\\10\,\ &171\,088&35\,\ &497\,529&60\,\ &654\,653\\11\,\ &187\,429&36\,\ &506\,740&62\,\ &661\,872\\12\,\ &203\,561&37\,\ &515\,640&64\,\ &668\,467\\13\,\ &219\,468&38\,\ &524\,267&66\,\ &674\,471\\14\,\ &235\,137&39\,\ &532\,626&68\,\ &679\,904\\15\,\ &250\,563&40\,\ &540\,718&70\,\ &684\,794\\16\,\ &265\,729&41\,\ &548\,544&72\,\ &689\,152\\17\,\ &280\,625&42\,\ &556\,118&74\,\ &693\,007\\18\,\ &295\,240&43\,\ &563\,438&76\,\ &696\,369\\19\,\ &309\,575&44\,\ &570\,514&78\,\ &699\,254\\20\,\ &323\,615&45\,\ &577\,351&80\,\ &701\,673\\21\,\ &337\,360&46\,\ &583\,954&82\,\ &703\,638\\22\,\ &350\,802&47\,\ &590\,324&84\,\ &705\,164\\23\,\ &363\,938&48\,\ &596\,474&86\,\ &706\,246\\24\,\ &376\,763&49\,\ &602\,403&88\,\ &706\,891\\25\,\ &389\,280&50\,\ &608\,119&90\,\ &707\,107\\\hline \end{array}}$

La figure 6 représente les deux échelles, divisées suivant ces tables, en supposant à $\mathrm {AB}$ la longueur d’un décimètre,