Xll ILLUSTRATIONS 



PAGE 



Measuring Fat-Column 67 



Automatic Russian Pipette ... tf ...... 71 



Russian Test-Bottle . 71 



Straight-Necked Cream-Bottles ^ 75, 75 



Bulb-Necked Cream-Bottle .....'. tt ... -77 



Cream-Testing Scales 79, 80 



Combined cream-stirrer and sampler ........ 82 



Cream-Sampling Sieve . . 86 



/"Bottles for Testing Skim-Milk ........ 94 



Bottle for Testing Butter : . . . 103 



Shaw's Butter-Test Apparatus . . . . . 104", 105 



Benkendorf Oven 117 



Farrington's High-Pressure Oven 118 



Gray's Moisture-Test Apparatus 123 



Van Norman's Acid-Test 142 



Farrington's Alkaline-Tablet Test 143 



Spillman's Acid-Cylinder L . 144 



Convenient Apparatus for Acid Testing ... . . . 145 



Publow Acid Test . & . . ....... 146 



Marschall Acid Test '. . 147 



Wisconsin or Lorenz Dirt-Tester 165 



Hand-Centrifuge for Sedimentation Work .... 166 



Tube for Sedimentation Work . ... . . . 166 



Bausch & Lomb Electric Centrifuge 166 



International Instrument Co's Electric Centrifuge . 167 



Glass for Collecting Sediment in Milk . . 168 



Monrad Rennet-Test . 169 



Marschall Rennet-Test . ... a ...... 171 



Quevenne Lactometer .......... 178 



Cylinder for Lactometer 181 



Comparison of Different Specific Gravity Scales . . 182 



Richmond's Slide-Rule 186 



Apparatus for Volumetric Casein Test . . , . . 193 



Butter-Trier , . . * . . A . * * . . 219 



