ere are two cardinal objections to the present Purification of Sulphide of Carbon. Instead of the usual] method of purification with mode of propelling boats by rowing. The first is MORGAN’S SPOKE-SETTING MACHINE. mercury salts, S. Kern recommends the nitrate of that the oarsman is obliged to… … to permit the ready removal of the ironing in the opposite direction, as is usually the The hooks shown on the case, but in the same direction. Consequently, when the ends of thestand also serve to hold the sections, C, in verti- ° on exhibition at the Centennial. oarsman, seated as in Fig. 2,…
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