. Canadian machinery and metalworking (January-June 1919). o beenhindered by the irregularity of the im-pression produced. This difficulty hasbeen overcome, according to MM. H. leChatelier and B. Bositch in ComptesRendus, by placing upon the sample apiece of foil 1-20 mm. thick and 30 which has been blackened withsulphuretted hydrogen. The impressionof the hall is very Nearly left on the foiland can be accurately measured. Theball used was mm. in diameter undera pressure of 500 kilos, left on for Washington.—Ocean freight rates forgeneral cargo moving from Pacific po
. Canadian machinery and metalworking (January-June 1919). o beenhindered by the irregularity of the im-pression produced. This difficulty hasbeen overcome, according to MM. H. leChatelier and B. Bositch in ComptesRendus, by placing upon the sample apiece of foil 1-20 mm. thick and 30 which has been blackened withsulphuretted hydrogen. The impressionof the hall is very Nearly left on the foiland can be accurately measured. Theball used was mm. in diameter undera pressure of 500 kilos, left on for Washington.—Ocean freight rates forgeneral cargo moving from Pacific portsto Japan and China have been fixed at$12 per short ton by the United StagesShinping Board from March 1st. Thismakes a reduction since Januarv 1st of$56 per short ton. The rates to Vladivo-stok were announced at $25 per shortton. General cargo rates to Englishports from American South Atlanticports were fixed at $1 071-. perhundred pounds, and increasing in otherdirections to a maximum of perhundred pounds for cargo to Barcelona. 188 Volume XXI. WHAT OUR READERSTHINK AND DO
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