Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 53
the wire handle, and this air space is a good insulator. 50. Good Conductor Bottoms on Utensils. — The bottoms of coffee-pots, tea-kettles, wash-boilers, etc., are usually of copper. This is for tworeasons. First, copper willnot corrode as readily as ironor tin; and therefore willkeep cleaner and… … THE FIRELESS COOKER 43 51. The Fireless Cooker. — The fireless cooker is a boxarrangement with non-conducting walls. Figure 27 showshow it is constructed. /CoilofWireOn the inside are pails inwhich the food is placed.Around the pails is thenon-conducting wall. Thefood is first heated to theboiling…
Physics
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