San Francisco : Architect and Engineer, Inc · leaf 117
Fig. 4—Workings of the ground dwelling termites. All show the earthyfrass characteristic of the subterranean termites. Note the similarity inappearance to the work of the powder-post beetle, fig. 2, at right. THE ARCHITKCl AND ENGINEER ^ 44 ► MAY, NINETEEN THIRTY-FOUR Engineerins and Buildins…
Architecture · Building
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