High frequency apparatus, design, construction and practical application; a practical treatise for electrical engineers, electricans, physicians, students and experimenters (1920)
Curtis, Thomas Stanley · New York, Norman W. Henley publishing company · leaf 214
earth. FURTHER NOTES OX PLANT CULTURE 209 We used one 10-in. strain insulator of the high-tensionvariety at each pole. In erecting the network, the posts were placed abouttwo feet in the ground. In this comparatively small plotonly four posts were used. The guy wires were placednext without any… … Fig. 117.—Soldering ground wires with torch. I ductivity. The turnbuckles were next brought up tostretch the loop tightly. The longitudinal wires, five innumber, were next stretched tightly between the two end( wires of the loop. These points were soldered. Then the, three transverse wires were…
Electric apparatus and appliances
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