. Les Bairds de Gartsherrie. Quelques avis de leur origine et de leur histoire . appelé à juste titre pour ajuster quelque chose, et mes observations à ces occasions n'étaient pas verycomplémentaires à ceux qui m'ont dérangé, quand j'ai trouvé, comme c'était souvent le cas, J'avais été appelé à faire quelque chose qu'ils auraient pu faire eux-mêmes en moins de cinq ans. Les moulages étaient, comme ils le sont encore, à six dans la mise en route et six dans la soirée, et comme il y avait des générallyon ces occasions quelque chose à faire à certains des travaux—les ficelles, le moteur, les machines de remplissage, ou l'appareil de chauffage—l'heure de la fonte était mon bus

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. The Bairds of Gartsherrie. Some notices of their origin and history . tly called up to adjust something, and my observations on these occasions were not verycomplimentary to those who disturbed me, when I found, as was often the case, that I had been called to do somethingwhich they could have done themselves in less than fiveminutes. The casts were, as they still are, at six in themorning and six in the evening, and as there was generallyon these occasions something to do to some of the works—the twyers, the engine, the filling machines, or the heatingapparatus—the hour of the cast was my busiest time, andobliged me to be on the ground at six oclock every morning.This went on for some time, but I found at last that it wasnecessary to have a working mechanic, to release me ofsome of my duties. We had now got a pretty fair start, andmatters were going on satisfactorily. We had collected agood supply of coke and ironstone, and during the first yearthe quantity of pig-iron manufactured was 3, 100 tons. We now resolved to build another furnace, and had the. OCui Iw H < I/) id o< z THE BAIRDS OF GARTSHERRIE. 61 plans made, and the work contracted for. It was of a construction different from the first — being the first round furnace that had been built in Scotland. It was hooped with iron, and proved a complete success. The furnace No. 1 was built in the form of four inverted arches. It occupied a great deal of room, and was difficult to bind together.This second furnace was put in blast on the 11th Sep-tember, 1832. The blast-heating apparatus with which the furnace No. 1 was blown, was that which had been patented by Mr. Neilson, and it was constructed under his directions; but we found it impossible to heat the blast by it to any high degree of heat. The utmost to which it could be raised was 250°, and for a very short period 300°, as the apparatus could not be kept on tight for more than two or three shifts. The principle on which it was constructed was r

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