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Updated: May 6, 2025
Podmore explains that only two candles and the fire gave light on one occasion, and that 'possibly' Home's hands were protected by some 'non-conducting substance. He does not explain how this substance was put on Lord Crawford's hands, nor tell us what this valuable substance may be.
But no non-conducting material that we can manufacture can be half so effective as the shell of rock twenty miles or more in thickness, which secures the heated interior of the earth from rapid loss by radiation into space.
We coat our steam-pipes over with non-conducting material, and this can now be done so successfully, that it is beginning to be found economical to transmit steam for a very long distance through properly protected pipes.
It has even one advantage it does not become unbearably hot to the touch, should the bather lean against the walls, whereas, with a highly glazed surface the walls become burning hot, and need lining with a dado of felt or other non-conducting substance. And since this latter method overcomes the objection named, the best possible material for lining the walls is glazed brickwork.
When compressed strongly they conduct very well, but not as well as ordinary carbon. The powder, which is obtained from the crystals in some way, is practically non-conducting. It affords a magnificent polishing material for stones.
One was no longer expected to pay court to one's beloved, sitting stiffly on straight-backed chairs in a chill drawing-room in the non-conducting, or non-conducive, presence of still chillier maiden aunts.
The correctness of these assumptions has been so abundantly proved by experimental demonstrations, that every mind that is tolerably informed on the subject must be relieved of every shade of doubt respecting the greatly superior non-conducting powers which bodies consisting of separate atoms possess over those of a solid concrete nature.
This instrument was composed of twenty-four metallic wires, separate from each other and enclosed in a non-conducting substance. Each wire ended in a stalk mounted with a little ball of elder-wood suspended by a silk thread.
To whatever extent the aluminium tube performs the function of a screen, its usefulness is therefore limited to very high degrees of exhaustion when it is insulated from the electrode that is, when the gas as a whole is non-conducting, and the molecules, or atoms, act as independent carriers of electric charges.
How could quality of talent consort with so dire an absence of quality in the material offered it? where could such lapses lead but to dust and desolation and what happy instinct not be smothered in an air so dismally non-conducting?
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