. The microscope and its revelations. is of the same order, the movements asdelicate and true, the adjustments as reliable, but 1 he price is onlyone half I hat of t he more com|ilicated form. Amongst the same class of instruments must be placed anotherl\ Messrs. Swift and Son. Il is kno\ asan Improved WalesM icroscope. Mr. a plan of greatmerit fort he stands of microscopes. The • limb \\ Inch carries the bodyand the stage, instead of being swung by pivots as ordinarily—onthe two lateral Supports (so thai the balance of the microscope is greatly altered when il is much inclined), has a circula


. The microscope and its revelations. is of the same order, the movements asdelicate and true, the adjustments as reliable, but 1 he price is onlyone half I hat of t he more com|ilicated form. Amongst the same class of instruments must be placed anotherl\ Messrs. Swift and Son. Il is kno\ asan Improved WalesM icroscope. Mr. a plan of greatmerit fort he stands of microscopes. The • limb \\ Inch carries the bodyand the stage, instead of being swung by pivots as ordinarily—onthe two lateral Supports (so thai the balance of the microscope is greatly altered when il is much inclined), has a circular groove cuton eit her side, into \\ hich lits a circular ridge cast on t he inner sideof each support, as shown in lig. ISO. The two supports, each WATSONS & MICROSCOPE 225 having its own fore-foot, are cast separately (in iron), so as to meetto form the hinder toe, where they are held together by a strong-pin ; while by turning the milled head on the right support the two. FIG. 179.—Watsons Edinburgh Students; stand G (1893;. 226 THE HISTOKY AND DEVELOPMENT OF THE MICROSCOPE are drawn together by a screw, which thus regulates the liy tin- two ridges that work into the two grooves on the this pressure is moderate, nothing can be more satisfactorythan cither the smoothness of the inclining movement or thebalancing of the instrument in all positions; while, by a slight


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901