Salt Lake City, UT: Tribune-Reporter Printing Co. . First edition. Hardcover. 159pp. Octavo [23.5 cm] Beige cloth covered boards with a gilt stamped title on the spine. Good only. Ex-library, with just one ink stamp on the rear pastedown. The covers are soiled, and the fore edges of the covers are stained (more so on the rear cover). The endsheets are mildly soiled. The fore edges of the pages at the beginning have very small stains. The majority of the pages are very clean. Item #24238
Includes an illustration of a testing laboratory.