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Scientific American, Vol. 31, No. 17 (1874) (1874)

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An illustration from Scientific American, Vol. 31, No. 17 (1874), 1874, leaf 0
nks were afterwards submitted to warming by steam, al- Major de Boulengé, of the Belgian army, has recently de- them painted over five times with a very thin cement, so lowed the ice to be readily removed in neatly shaped blocks, vised an instrument for the above purpose, which he calls a that the… … may be corrected by using, as 10 tuns, suitable for private the fluid, a mixture of alco- houses, to 200 tuns, suitable hol and water in proper proportions. pieces were suspended near together in that part of the shaft for butchera and confectioners, and 1,000 tunsand over for where the water had…

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