Business floors of Armstrong's linoleum : for offices, public buildings, banks, hotels, stores, restaurants, theaters, libraries, churches, schools, hospitals, rest rooms, club rooms, etc. (1924)
<<> XPiOttt ■ • «> • • … Fig. 1—The Penetrometer Test ity at the Armstrong factory has developed a set of accurate mechanical tests to which every run of linoleum is now subjected. The result is that Arm- strong's Linoleum is standardized on a quality far higher than has ever before been deemed possible- Three of the tests…