494 CONTENTS. 



PAGK 



The wheel and the axle 284 



The wedge, Illustrated 286 



The screw, Illustrated 288 



The pulley, Illustrated t 290 



METALS, FUSING HEAT OF 121 



METRIC SYSTEM OF WEIGHTS AND MEASURES 173 



" origin and history of. 173 



" countries that have adopted the 173 



" " act of Congress authorizing 174 



" " formation of tables 176 



" " table of linear measure 177 



" " table of square measure 178 



" " table of cubic or solid measure 179 



" " table of dry and liquid measure 179 



" " table of weights 180 



" " table of angles 181 



" " tables of equivalents 181 



MILK, PROPERTIES AND COMPOSITION OF 387 



Analysis of milk 387 



Table, showing the effects of various degrees of heat in making 



new milk cream 387 



Analysis of the milk of different animals 390 



MISCELLANEOUS WEIGHTS 153 



MIXING PAINTS 460 



MONEY (see United States Money) 145 



MORTAR, BROWN, FOR MASONRY, BRICK-WORK, &c 463 



