Stirrer Lightnin” mixers

A Lightnin mixer (manufactured by the Mixing Equipment Company, Rochester, N. Y.) equipped with a propeller stirrer was used. If rapid stirring is not maintained, the reaction does not go to completion. 

Stirrer—Continued glycerol-sealed, 21, 40 Hershberg, 20, 8 22, 23, 74 23, 33 Lightnin mixers, 21, 97 Monel-metal, 20, 99 stainless-steel, 23, 54 Tru-bore, 25, 67... 

It is advisable to use more powerful stirring motors than those usually found in the organic laboratory, since the success of the preparation is so largely dependent on the production of a good emulsion. The checkers employed two Lightnin stirrers (Model L mixers) having shafts and blades of Monel metal. 

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