this money is employed to good purpose. separated by employing what may be termed 'bait.' Thus bacteria concerned in the process of putrefac tion may be attracted or separated from the rest by offering them oxygen. Many organisms are allured by the salts of potassium while others find asparagin ad drying letter cards. the revolving table. re stamps are printed. Fig. 8Printing money orders on the Narinoni cylinder press. Fig. 6The perforating machines. gCH POSTAGE STAMPS., scientific american, -1909-05-29
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