. Factory and industrial management. versal acceptance of their value. I was fortunate enough to participate in the recent Congress ofthe International Association for testing materials, held at Buda-pesth, and was agreeably surprised at the general interest shown whenthe subject of testing cast iron was brought up for American members present fought valiantly for the recognition-of cast iron as a material requiring our most earnest study, andsucceeded so well that special steps were taken to adopt ultimatelyspecifications for quality requirements in this branch of the ironindus
. Factory and industrial management. versal acceptance of their value. I was fortunate enough to participate in the recent Congress ofthe International Association for testing materials, held at Buda-pesth, and was agreeably surprised at the general interest shown whenthe subject of testing cast iron was brought up for American members present fought valiantly for the recognition-of cast iron as a material requiring our most earnest study, andsucceeded so well that special steps were taken to adopt ultimatelyspecifications for quality requirements in this branch of the ironindustry. Our American Association for Testing Materials is nowengaged in looking over the ground, and tests to destruction willform a point to be strongly dwelt upon. We will welcome our English and Continental friends in helpingus clear away the difficulties encountered in the path of true pro-gress, and most earnestly hope that the ultimate result will be to-put the foundry product on a more exact basis for properly judging^its THE ECONOMY OF MECHANICAL STOKING. By William Wallace Christie. In Mr. Christies previous article the structural and operative features of the principalmechanical stokers were described, the fundamental principles upon which the construction ofmodern successful stokers is based being discussed. The present paper, concluding the sub-ject, considers the general economy of mechanical firing, based upon data obtained from theoperation of various existing installations, and thus free from the uncertainty attending con-clusions founded upon theory alone.—The Editors. THE operative advantages to be expected from the substitutionof mechanical stoking for hand firing may be enumerated as :—lower cost of firing, greater uniformity in condition of firesand operation, readiness for burning all grades of fuel, and less pro-duction of smoke. Considering the lower cost of firing, it must be realized that muchharder firing is now required than was formerly nec
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Keywords: ., bookcentury1800, bookdecade1890, booksubj, booksubjectengineering
