International review of the science and practice of agriculture . os. Theidea of forming co-o]^ertive factories for agricultvind machines is underconsideration in other societies, and if the latter succeed in combining 1650 AGRICULTURAI. MACHINERY AND in one organisation, the « Ceiitral Society », the problem, according to , should be solved in the near future. 1206 - Motor Ploughing in France. — I. De Cabausse p. The present trend of mechanicalcultivation, in La Vie agricole et rurale, 6th year, No. 41 (entirely devoted to mechanicalcultivation) (i), pp. 269-274, 5 figu
International review of the science and practice of agriculture . os. Theidea of forming co-o]^ertive factories for agricultvind machines is underconsideration in other societies, and if the latter succeed in combining 1650 AGRICULTURAI. MACHINERY AND in one organisation, the « Ceiitral Society », the problem, according to , should be solved in the near future. 1206 - Motor Ploughing in France. — I. De Cabausse p. The present trend of mechanicalcultivation, in La Vie agricole et rurale, 6th year, No. 41 (entirely devoted to mechanicalcultivation) (i), pp. 269-274, 5 figures. Paris, October 7, 1916.— II. 1,efortH., Newtypes of ploughs. Ibidem, pp. 275-278, 5 figures. I. -- The writer begins by relating the drawbacks of the light petroltractor which depieciates quickly. He asks if there is not good cause for areturn to steam traction. According to Massignon, president of a vineyardsyndicate in Anjou, steam could usefully be resumed if the makers wouldbuild light machines. It is weight only which puts these motors into dis-. Fig. I. — Bajac counterbalance plough with moveable balance weight. favour. The steam engine has an immense advantage over the petrolengine in flexibility: the former can develop, if necessary, three times itsnominal power, which the latter cantiot do, and it gives a very uniformspeed of traction. The return to steam traction will be hastened, accordingto the wTiter, by the high prices of paraffin and petrol, which are likely tobe permament on account of the increased consumption. Besides the question of the tractor, the writer discusses the choiceof the cultivating implement, and he considers the advisability of replac-ing the plough with coulter, share and mould board, by a driven implement. At the Grignon trials, organised by the Minister of Agriculture in 1913,the judges were not favourably impressed by the machines with driven im-plements. The writer thinks that the latter should not have been rejected (t) Beside
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