. Glasgow mechanics' magazine; and annals of philosophy . Vol. IV. 290 THE GLASGOW NEW CROSS CUTTING by Mr. Dixon Vallance, Libberton, Lanarkshire. Gentlemen,—I send you here-with a plan of a cross cutting saw,a contrivance of mine for cuttingstanding or lying trees. The com-mon cross cutting saw requires twomen at least, and sometimes a con-siderable number, to cut large trees;but, by the help of this new instru-ment, one man will cut the largesttree with ease. The saw may bemade of any length, from two tosix or eight feet; and with a thick-ness and breadth in proportion tothe le


. Glasgow mechanics' magazine; and annals of philosophy . Vol. IV. 290 THE GLASGOW NEW CROSS CUTTING by Mr. Dixon Vallance, Libberton, Lanarkshire. Gentlemen,—I send you here-with a plan of a cross cutting saw,a contrivance of mine for cuttingstanding or lying trees. The com-mon cross cutting saw requires twomen at least, and sometimes a con-siderable number, to cut large trees;but, by the help of this new instru-ment, one man will cut the largesttree with ease. The saw may bemade of any length, from two tosix or eight feet; and with a thick-ness and breadth in proportion tothe length. It slides on two steelrods, put in motion by a weightypendulum; and the rods are at-tached to the outer frame, which isfirmly fixed to the ground with fouror five iron pins. I am, Gentlemen, yours, & Vallance. Description of the Engraving, Fig. 1, is a vertical arrangementof the apparatus for cutting ly-ing timber. The pendulum-frameis here seen in its vertical dimen-sions. The saw, which, as I havementioned, slides on steel rods,cuts


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