sted thatthere remains free at one end a portion about 16 cm. long, and at theother end a portion about 8.5 cm. in length. These are so coiled as toprevent short circuiting and are carefully soldered at their free ends tothe left and right hand binding posts, respectively, as shown in the… … FlG. 2.—Soil hygrometer open, showing battery, screw for adjusting condenser, bridge wire, and battery switch. in its surface one-fourth inch from the exposed face, the groove being ofsufficient depth to retain the bridge wire in place and yet not interferewith the action of the slider in making…
Soils Analysis · Electric apparatus and appliances
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