. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Z2S Fig. 24.—New York Testing Laboratory penetrometer. II. APPARATUS. (2) The container for holding the material to be tested shall be a flat-bottom, cylin- drical dish, 55 mm. (2^- inches) in diameter and 35 mm. (If inches) (See figs. 24 and 25.) (3) The needle ° for this test shall be of cylindrical steel rod mm. (2 inches) long and having a diameter of mm. ( inch) and turned on one end to a sharp point having a taper of mm. (one-fourth inch). (4) The water bath shall be maintained at a tem
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Z2S Fig. 24.—New York Testing Laboratory penetrometer. II. APPARATUS. (2) The container for holding the material to be tested shall be a flat-bottom, cylin- drical dish, 55 mm. (2^- inches) in diameter and 35 mm. (If inches) (See figs. 24 and 25.) (3) The needle ° for this test shall be of cylindrical steel rod mm. (2 inches) long and having a diameter of mm. ( inch) and turned on one end to a sharp point having a taper of mm. (one-fourth inch). (4) The water bath shall be maintained at a temperature not varying more than ° C. from 25° C. (77° F.) The volume of water shall be not less than 10 liters and the sample shall be immersed to a depth of not less than 10 cm. (4 inches) and shall be supported on a perforated shelf not less than 5 cm. (2 inches) from the bottom of the bath. s This requirement is fulfilled by the American Can Co.'s gill style ointment box, deep pattern, 3-ounce capacity. 3 It is recommended that the Roberts No. 2 parabola needle be used until such a time as Committee D-4 of the American Society for Testing Materials are in a position to make a recommendation relative to a type of needle which may generally be Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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