Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 706
rounding tube made of wire wound in aspiral, and drawn apart near the top of the burner to admitthe air, which mingles with the gas before it is consumed atthe upper end of the spiral. No. 18 represents a connector for electrical wires, whichexplains itself. The part with a double loop may be… … 684 EXPERIMENTAL SCIENCE. screws which fasten it to its support; the other part is simplya straight wire having an eye at one end. The connectionis made by inserting the straight end in the spiral. To in-crease the friction of the two parts, either of them may becurved more or less. A microscope…
Physics · Lantern projection · Electric apparatus and appliances
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