Wiring Diagrams of Thermocouple Installations. a Figure 7 ... From the bottom of the pipe copper lead wires are carried to the indicator. Figure 8 ... The junction box is a cast-iron box, such as those used for underground telephone wiring.
Title | : | Handbook of Non-ferrous Metallurgy Prepared by a Staff of Specialists |
Author | : | Donald Macy Liddell |
Publisher | : | - 1926 |
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