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The Light Areometer of Brix
This areometer is graded from 0° to 200°, 0° corresponding with water at 60° Fahr.
Degree. Sp. Gr. Diff. 00 1.0000.0025 105° .7921 .0016 .9876.0024 110 .7843.0015 In the above table the difference between the degrees is .005, throughout; the specific gravity of the intermediate degrees can be found by following the method given in No. 6155, adding instead of deducting the difference. (See No. 68.) 85 1.425 190 1.950 90 1.450 195 1.975 95 1.475 200 2.000 100 1.500 5 10 .9756.0024 115 .7767 .0015 15 .9638.0023 120 20 6165. Baumé's Heavy Areometer. .7692 .0015 This instrument marks from 0° to 75°, 00 .9524.0022 125 .7619.0014 being water at 6340 Fahr. 25 .9412.0022 130 .7547.0014 30 .9302.0021 135 .7477 .0014 Deg. Sp. Gr. Diff.
Deg. Sp. Gr. Diff. 35 .9195.0021 140 .7407.0014 40 .9091.0020 145 .7339 .0013 : 1.0000.0071 40° 1.3746 .0135 45 .8989 .0020 150 7273.0013 5 1.0353 .0076 45 1.4421.0149 50 .8889 .0020 155 .7207 .0013 10 1.0731.0081 50 55 .8791 .0019 160 .7143.0013 15 1.1138 .0088 55 1.5166 0165 1.5992.0184 60 .8696 .0019 165 .7080 .0012 20 1.1578 .0095 60 1.6914.0207 65 .8602 .0018 170 .7018 .0012 25 1.2053 .0103 65 1.7948.0234 70 .8511 .0018 175 .6957 .0012 30 1.2569 .0112 70 1.9117 .0266 75 .8421.0018 180 80 .8333.0017 185 .6897 .0012 .6838.0012 35 1.3131 .0123 75 2.0448 85 .8247 .0017 190 .6780 .0011 90 .8163 .0016 195 .6723 .0011 95 .8081 .0016 200 .6667 100 .8000 .0016 To obtain the specific gravity of the intermediate degrees see No. 6155. 6163. Dutch Heavy Areometer Reduced to Specific Gravity. The range of this instrument is from 0° to 75°, 0° corresponding with water. The specific gravity of the intermediato degrees can be obtained as directed in No. 6155, adding the difference instead of subtracting.
A ready method of calculating the specific gravity corresponding to the degrees of this areometer, sufficiently correct for common purposes, will be found in No. 66; the table given in No. 65 is made on that principle, and based on 1000 as the unit representing water, instead of 1. 6166. Baumé's Light Areometer.
This areometer ranges from 10° to 60°, 10° denoting water at 54° Fahr.
Deg.
Sp. Gr. Diff.
Deg. Sp. Gr. Diff. 0° 1.0000 .0072 40° 1.3846 .0140 Deg. Sp. Gr. Diff.
Deg. Sp. Gr. Diff. 5
1.0359 .0077 45 1.4545.0155 40°
The specific gravity of the intermediate de- to prepare a solution of chloride of lime, grees is found by following the directions which must be allowed to settle, and the given in No. 6155. A simple method for clear liquid poured into a basin, in which the converting the degrees of this areometer into skeletons may be put by floating them off the specific gravity, applicable in cases where card. It is as well to have half a dozen great accuracy is not required, is given in No. 66. A table, similar to the above, will be found in No. 62, sufficiently accurate for general practical purposes. ready to bleach at once, as they require watching, and if allowed to remain in the liquid too long will fall to pieces. From 2 to 4 hours will generally suffice to bleach the skeleton of all ordinary leaves, after which they should be washed in several changes of water, and finally left in clean water for hour. After the leaf has been sufficiently washed it should be Miscellaneous Receipts. floated onto a card and dried as quickly as These consist mainly of such receipts possible, care being taken to arrange the as could not be properly included in any skeleton perfectly flat, and as near as possible division of the work; embracing also a few to the natural shape. This can be done with additional general receipts, whose merits demanded their insertion, obtained too late for classification under their proper headings.
