San Francisco : Architect and Engineer, Inc · leaf 404
This was a 30-foot pole, the butt of which. 4 feet long, wasremo\ed before the body of the pole was cut into 13-2-foot lengths. Therewas 1 eight-year-old colony and 1 four-year-old colony in the first 10—2-footlengths. The population of the colonies consisted of 1 eight-year-old queen,1… … Fig. 18—Further examples of damage to pole shown in tlc). 17. (a) cross-sections of the crossarm with one pin in place, (b) Top of pole partly dis-sected, (c) Two of the four infested pins. THE ARCHITECT AND ENGINEER ^ 44 ► MARCH. NINETEEN THIRTV-FOUR
Architecture · Building
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