Inside Out Library
Buildings (1922)
Chicago : Engineering and Contracting Pub. Co. · leaf 222
64 7216 85 6511 23 9150 44 8045 65 7179 85 648^ 24 9090 45 8000 66 7143 87 6452 25 9032 46 7954 67 7107 88 6422 26 8974 47 7909 68 7071 89 6393 27 8917 48 7865 69 7035 90 6363 28 8860 49 7821 70 7000 29 8805 50 7777 71 6965 30 8750 51 7734 72 6931 and 9 ins. in diameter. chemical thermometer… … Fig. 10—New York State Board of HealthOil Tester. given temperature. A standard No. 2 cambricneedle is employed for this purpose and thisneedle is usually weighted with 100 grams.The depth of penetration is determined uponthe bitumen maintained at 25° C, while theload is applied for five seconds.…Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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