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Show Harnessing- a Toad. m To an Ingenious Scotchman goes 1 the credit of being tho first person :I to harness a mouse and make him iA a money-earning factor. He waa p David Mutton, a native of Dun- fermlinc. and his unexpected death alono prevented him from carrying a out his experiments on a much W larger scale. (y Mutton oroctpd a small mill at $j Dunfermline In 1S20 nnd began the spinning of thread. Just how ho made use of tho small rodents Is jn set forth In a pamphlet called & "Curiosity Coffee Room." $ ''In the summer of 1S12," he ft wrote. "Iliad opcaslon to be In ij Perth, and. when Inspecting tho toys and trinkets that were manu- factured by the French prisoners, In the depot thero rny nttentlon wan 'jgj Involuntarily attracted by a little M toy house with a wheel In thu gablo I of It that was running rapidly J around, impelled by tho gravity of a r common house mouse. "3j "For one; shilling, i purchased, -tjjo' house, mouse and wheel. Inclosing, it In a handkerchief, on my Journey- x; homeward. I was compelled to con- ft; template Us favorite amusement. xr, "But how to apply half-ounce )fi power which .Is the weight, of a ,y mouse, to a useful purpose was tho 'iS difficulty. At longth tho manufac- S ture of sewing thread seemed .the jS most practicable." J5 Though Mr. Hutton proved that Sj an ordinary mouso would average IK a run-of ten and one-half milc3 a fe day,- ho had ono mouso which ran S the romarHable distance of eighteen tar miles in that time. p5 A half-penny's worth of oatmeal jjrt was sufficient for its food for 35 dnys. during which time it ran SS2 5 miles. -Ha kept-two mice constant- fZ ly engaged In the making a sowing- , thread for more: than a year. ! This thread-mill was so construct-. 1 ed that the mouse -was able to twist j twine and rool. J from 100 to 200 i.threads a day. Sundays not except-'ed. except-'ed. To" perfornTthis task it had to -run ten and ono-half miles a day iwhlch it did with perfect ease every other day. .. j On tho half-penny's worth of i oatmeal, which lasted for five weeks one of theso little mice made 3..".G0 I threads twenty-fivo Inches long, and j ns-a penny was paid to women'foc ov-ery handmade In tho ordinary way. the mouso at that rate earned j ' lfc cents every six weeks. Allowing for board and for ma- 1 chlnery there was a clear vearlv Profit from each mouse of $1 50 I mnlvWfT, ur ,Ht?Uon's Intention to S apply for the loan of the Dunferm- f lino c-Cathedral, which was embtv I where ho planned to scup iXdo 1 niouso mills and 'still leave roomer I tho keepers and several hundreds pjowt wnrS: bUt th'S "ondirfS j I project was never carried out be- t cauje of .th Inventor's sudden" j |