INDEX 263 



PAGE 



Oils, Outline of tests of paints on concrete walls, 216 



Oxygen Absorption in Oils, 21 



Paint Coating, Adhesive power of, 104 



Elasticity and Strength of, 102 



imperviousness of, 100 



decomposition of, 122 



films, action of water upon, 223 



permeability of, 71 



Testing machine, 74 



preparation of, 70 



in Hospitals, 254 



making, Laws of, ' 93 



Perry's Principles of, 100 



pigments, 42-69 



pigments, properties of, 42 



preparation for microscopic examination of, 86 



tests at North Dakota Experiment Station, 105 



at Washington 207-213 



supervisors of, 113 



woods used on, 124, 135 



Painting steel plates for tests, 230 



Paints for cement and concrete surfaces, 214 



composition of in steel test, 233 



hiding power of, Ill 



sanitary value of, 252 



Panels for laboratory tests, 149 



Para Red formula for concrete wall, 217 



Paranitraniline paints in Pittsburg tests, 140 



Paranitraniline Red, 64 



Parilla Oil, 21 



Perry's analogies of paint and concrete manufacture, 99 



principles of Paint Making, 100 



Petroleum Spirits, : 20 



Photomicrographs, 89, 165 



Pigment contention, the, 105 



grinding, 87 



Pigments, 42-69 



as stimulators of rust, 223 



Chemical action of upon Linseed Oil, table, 91 



Effects of on Oil, 90 



inert, use of, 99 



moisture experiments with, table, 83 



percentages of Oil required for grinding, 68 



re-enforcing, 89 



report of results of steel paint tests, 236-251 



Water resistance of, 81 



