Popular science monthly . on by horsepower. The operator of the machine walksbehind and steers it as one guides alawn-mower. There is no necessity,- for expenditureof energy in handling the tractor as itpulls itself along at the rate of frf)m oneto three miles an hour. The machineis capable of two thousand two hun-dred revolutions a minute when it isattached to another machine by meansof the comiecting belting and pulleyattachment. It weighs four lumdrctiand tiftN pounds and is made especiallyheavy to insure traction. The Old and New Methods of Harrowing inthe Cultivation of Garden and Truck C
Popular science monthly . on by horsepower. The operator of the machine walksbehind and steers it as one guides alawn-mower. There is no necessity,- for expenditureof energy in handling the tractor as itpulls itself along at the rate of frf)m oneto three miles an hour. The machineis capable of two thousand two hun-dred revolutions a minute when it isattached to another machine by meansof the comiecting belting and pulleyattachment. It weighs four lumdrctiand tiftN pounds and is made especiallyheavy to insure traction. The Old and New Methods of Harrowing inthe Cultivation of Garden and Truck Crops A Garden Tractor Which Does Every-thing But Mind the Baby A(i.\RDIlN tractor designed to takethe place of horse and man-powerin the culti\ation of garden and truecrops has been placed on the market bya Minnea[)olis company. In addition toits usefulness as a tractor, the maciiinealso serves as a portable engine. The machine can perform twelvedistinct and wi<lcly varying operations;among them, running a washing nia-. Blowing Concrete Into Place Dotted Square Is Position of MixingBox Above Concrete Mixer Air CyHndcr for Main HoistingMixing Sand and Water Box to Top of Smalt Gravel Tank Concrete Mixer Water Mixing Tank Box
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
