Paint Manufacturers' Association of the United States. Scientific Section · Philadelphia, PA : Paint Manufacturers Association, Scientific Section · leaf 242
Equal volume (one cubic centi- metre) of each size of shot taken. Note that the smaller shot cover more than half as much again as the larger shot and the voids are smaller. Diagram illustrating two de- termining sizes of solid par- ticles in concrete. … Note that the medium-sized particles in lower diagram cover areas which in upper diagram have the fine dot particles with voids between them, and therefore we have less void spaces in the lower diagram with the third or medium size par- ticles, and hence less permeability. Therefore a mixture of…
Paint · Painting, Industrial · Corrosion and anti-corrosives
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.