Wright, Mark R., 1854- · London : Longmans · leaf 54
r may be boiled in paper,and lead melted in a pill-box ; in each case heat isconducted away so rapidly by the lead and waterthat the muslin, the paper, and the pill-box are un-injured. Wrap a thick copper wire six times round a pen-holder, pass the helix over the wick of a lighted candlewithout… … Fig. 33. i IG. 34. 46 Heat To compare the conducting power of solids.—Clamp theair-thermometer securely, and place a cylinder of lead on the top.Heat a copper cylinder in boiling water, hold it a minute in thesteam to drain, place it on the lead, and wait two minutes (fig. 34).Note the depression…
Physics
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