. Elementary chemical microscopy . Fig. 86. Burner for Microchemical Analysis. Fig. 87. Burner for Microchemical Analysis. (Xi) only moderate heating of very small amounts of material. Since, however, microchemical methods often require a preliminary handling of several grams or cubic centimeters of substance, the burner shown in Fig. 87 will be found to afford a wider range of usefulness. It also occupies less space upon the work table. It consists of an ordinary Bunsen burner provided with a side- tube for a " reserve " or " pilot " flame. In the form illustrated,

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectmicroscopy, bookyear1