[D8430Y], Letter from John White Howell to Thomas Alva Edison, August 4th, 1884


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[D8430Y], Letter from John White Howell to Thomas Alva Edison, August 4th, 1884

Editor's Notes

I spoke to you some time ago of the adivsability of making feeders of a number of smaller wires extending through the length of the feeder instead of using one large wire as at present. The object being to regulate by uising one or more of the wires as the demand upon the feeder requires. Since then I have had some samples made by binding a number of ordinary insulated wires together with a covering thick enough to protect them and feeding this cable into a lead pipe machine as a core--thus forming the lead pipe directly upon the cable. The pressure of the lead upon the cable can be easily regulated thus making a very good job. Feeders can be made in this way any desired length in one piece--saving the expense of joins and trouble arising in junction boxes and reducing the expense of laing them considerably. If they are laid loosely--not stretched straight no expansion joints will be necessary. If they are bedded in sand and a loose board placed over them the board will warn any one digging them up before they are injured. Feeders made in this way will cost less than as now made. Will save the expense of feeder resistances and the space they occupy will be freer from leask as they have not joints. They can be made of the right liength and shipped all ready to lay. I would be pleased to hear your views on the subject. [did not find answer]




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Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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