er, and contains 3,256 convolutions, while that It is very annoying, when withdrawing a bit after of icsulated wire is 13ths inch in diameter, and con- a hole has been bored, to have the tool part company with the biace, so that it has to be replaced for every one to one and a half inches to the… … chucks, which are arbitrary in their motions and can- hours are subsequently lost in cooling the still for the not be set out of the center unless one of the jaws been devised to prevent it. jaws have been run in one turn ortwo. Even this The one here illustrated is a very efficient device The…
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