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Updated: May 8, 2025
A canvas awning was also spread over the deck from stem to stern, so that it was confidently hoped the Dolphin would prove a snug tenement even in the severest cold. As has been said before, the snow-drift almost buried the hull of the ship, and as snow is a good non-conductor of heat, this further helped to keep up the temperature within.
Welsbach, has discovered a composition which is as good a non-conductor that is to say concentrator of heat as platinum, is much more durable, and a great deal cheaper.
This is the path that electricians call that of "least resistance." There are no absolutely perfect conductors, and there are no substances that may be called absolutely non-conductors. A non-conductor is simply a reluctant, an excessively slow, conductor. In all electrical operations we look first for these two essentials: a good conductor and a good non-conductor.
But it was to have been a moment for Densher that nothing could ease off not even the formal propriety with which his interlocutor finally attended him to the portone and bowed upon his retreat. Nothing had passed about his coming back, and the air had made itself felt as a non-conductor of messages.
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