Show t lf rADE l MADE THE MOUSE 1 WORK Jt avela average e mouse runs sixteen 5 test S ll l meters a day and certa certain en en- eT T tle subjects have been known kuo to meters in a period of f four Kir ur hours m i th- th tha a view to the utilization n of theo theom the tho om o f of of mice an inventor constructed jr drum revolving on an axle The rendered red by the mice ran a lit lit- flax spinning machine Th The pro pro- ion moo of linen thread was four pounds a i ive days of mO mouse se labor The Time in in- I t rol of pf f. f time the machine died before pert per per- t 11 Dt his bis invention Harpers Harper's r. r PT |