. Circular. Agriculture; Agriculture -- United States. A MOISTURE TESTER FOR GRAIN. THERMOMETERS. It is of the utmost importance that the thermometers be of extra quaUty and not the ordinary grade of chemical thermometers which are so commonly fur- nished with ap- paratus of this general charac- ter. The suc- cess of this method of mak- ing moisture determinations depends largely upon the accu- racy with which the temperature readings are made, and any thermometer showing an er- ror of more than one-half of a de- gree should not be used unless such errors are known and pro- vided for in the re
. Circular. Agriculture; Agriculture -- United States. A MOISTURE TESTER FOR GRAIN. THERMOMETERS. It is of the utmost importance that the thermometers be of extra quaUty and not the ordinary grade of chemical thermometers which are so commonly fur- nished with ap- paratus of this general charac- ter. The suc- cess of this method of mak- ing moisture determinations depends largely upon the accu- racy with which the temperature readings are made, and any thermometer showing an er- ror of more than one-half of a de- gree should not be used unless such errors are known and pro- vided for in the readings. It is also nec- essary that the mercury bulbs of the thermom- eters be of ap- proximately the same length, so that some uni- formity can be had as to the <lepth to which the thermometers are immersed in the oil, the correct positions of which are shown in figure 9, on page 10. [Clr. 72]. Fig. 2.—Sectional view, showing the various parts properly connected for use. A, Distillation flask in position, three-eighths of an inch above the wire gauze; B, distillation Qiisk in wooden rack, used only during 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. Bureau of Plant Industry. Washington, D. C. : U. S. Dept. of Agriculture, Bureau of Plant Industry
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