. Bulletin of the Department of Agriculture. Agriculture; Agriculture. COAL-TAR AND WATER-GAS TAR CREOSOTES. 95 above the final graduation large enough so that the pressure will not become excessive at the highest temperature. The thermometer shall be finished at the top with a small glass ring or button suitable for attaching a tag. Each thermometer shall have for identification the maker's name, a serial number, and the letters "A. S. T. M. ; The thermometer shall be graduated from 0 to 400° C. at intervals of 1° C. Every fifth graduation shall be longer than the
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. COAL-TAR AND WATER-GAS TAR CREOSOTES. 95 above the final graduation large enough so that the pressure will not become excessive at the highest temperature. The thermometer shall be finished at the top with a small glass ring or button suitable for attaching a tag. Each thermometer shall have for identification the maker's name, a serial number, and the letters "A. S. T. M. ; The thermometer shall be graduated from 0 to 400° C. at intervals of 1° C. Every fifth graduation shall be longer than the intermediate ones, and every tenth gradua- tion beginning at zero shall be numbered. The graduation marks and number shall be clear-cut and distinct. The thermometer shall conform to the following dimensions: Total length, maximum 385 mm. Diameter of stem 7 mm.; permissible variation mm. Diameter of bulb, minimum 5 mm.; and shall not exceed diameter of stem. Length of bidb 12. 5 mm.; permissible variation mm. Distance, 0° to bottom of 30 mm.; permissible vanation 5 mm. Distance, 0° to 400° 295 mm.; permissible variation 10 mm. I-l o n AatQSfOS Popar Cofar for RnrxirT. 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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