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Updated: May 6, 2025
True; so long as the smallest or the greatest transgression is unacknowledged and unrepented, it forms a non-conducting medium around us, and isolates us from the electric touch of that gracious love. But also true; it is there hovering around us, seeking an entrance. If the door be shut, still the knocking finger is upon it, and the great heart of the Knocker is waiting to enter.
A network of wire, crossing and recrossing but always carrying the same current, may be embedded in plaster and a gentle heat may be imparted to the whole mass through the resistance of the wires to the electricity and their contact with the non-conducting material.
In a warm climate or season, by means of the non-conducting castings, the stove will ventilate the house and do all the cooking, without imparting heat or smells to any part of the house except the stove-closet. At the close of this volume, drawings, prepared by Mr.
In this plan, all the radiated heat from the stove serves to warm the walls of adjacent rooms in cold weather; while in the warm season, the non-conducting summer casings of the stove send all the heat not used in cooking either into the exhausting warm-air shaft or into the central cast-iron pipe.
The model house to which I alluded in beginning this subject will be, in brief, somewhat as follows: The outer walls will be vaulted, thoroughly non-conducting both of heat and of moisture. All the partitions will be of brick, precisely adapted in size to their use, I am not sure but they will be hollow.
He discovered also the "electrical charge," and pointed the way to the discovery of insulation by showing that the charge could be retained some time in the excited body by covering it with some non-conducting substance, such as silk; although, of course, electrical conduction can hardly be said to have been more than vaguely surmised, if understood at all by him.
It needs scarcely be here remarked that in the Leyden jar, electricity can be accumulated and retained in considerable quantity, by the contrivance of having two conducting surfaces of equal extent, and parallel to each other through the whole of that extent, with a non-conducting substance such as glass between them.
No one, however, bullied me, and though I was dimly and indefinably witness to acts of uncleanness and cruelty, I was the victim of no such acts and the recipient of no dangerous confidences. I suppose that my queer reputation for sanctity, half dreadful, half ridiculous, surrounded me with a non-conducting atmosphere.
He proposes to force into this trough very tightly pieces of teak, and to the teak, thus embedded, he nails a sheathing of zinc. The zinc is kept clean by slowly wearing away of its surface from action by contact with the iron and salt water. There are four patents, in which various, so-called, non-conducting coats are put on the iron, and copper pigment in some form put on over them.
These effects are warded off by inclosing the instrument in a non-conducting jacket of wood shavings. The apparatus of M. Baille consists of an annealed silver torsion wire of 2.70 meters long, and a lever 0.50 meter long, carrying at each extremity a ball of copper, gilded, and three centimeters in diameter.
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