e plate. This mandrel need See ah classed in this genus. not be turned from end to end, but only just as far as to let IMPROVED GLUE POT. The form of this fish is sufficiently curious to render it a the mandrel stand central with the face plate when the cross- The desirability of keeping glue,… … volatility of the liquid used. over, on the one hand, or of becoming chilled on the other, Itis a common lecture room experiment to freeze a small is well known to mechanics who have occasion to prepare its many congeners by an oblong spot on the aperculum and | quantity of water under the bell jar…
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