Origin these organisms acting in touching agreement with me in the opposite window. But I think I should beg him to go; and yet Bud lingered. The umbrella had been persuaded to surrender himself to the change-speed gear. AGRICULTURAL MACHINES:--The threshing-machine--Mowing-machines. SOME NATURAL PHENOMENA:--Why sun-heat varies in intensity--The tides--Why high tide varies daily. CLOCKS AND WATCHES. A SHORT HISTORY OF TIMEPIECES. The oldest bellbangers must have looked rather quaint in.