Popular science monthly . The height of a trirucan be by look-ing through a figures arenoted on a celluloidscale as on the kft certain estimates the clear length isascertained, while in other instancesconsideration is given only to the heightfrom the ground to the first limb ofappreciable size. The height of the tree governs theangle at which the operator holds thehypsometer in taking the In His Merry Dogmobile. How aCripple Gets Along in the World ALTHOUGH he is a cripple, R. of Los Angeles, has traveled,^^ nearly five thousand miles^Uliil in a


Popular science monthly . The height of a trirucan be by look-ing through a figures arenoted on a celluloidscale as on the kft certain estimates the clear length isascertained, while in other instancesconsideration is given only to the heightfrom the ground to the first limb ofappreciable size. The height of the tree governs theangle at which the operator holds thehypsometer in taking the In His Merry Dogmobile. How aCripple Gets Along in the World ALTHOUGH he is a cripple, R. of Los Angeles, has traveled,^^ nearly five thousand miles^Uliil in a single year with the aid^\SK1 ^f ^ P-l dog Trix. The dog^ Hf, is harnessed to a speci- all> built t r i cy cleeciuipped with handle-bars, headlight, tail-light and a scat sim-ilar to that used onwheel-chairs. He sells newspapersand chewing he wishes to stophe presses a leather padto a specially con- to the wheel, and thetricycle-whed chair dog stops immediatelj. 698 Popular Science Monthly


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872