Three Grades of Fabric (1902)
“ The most practical form of garment is a vest, which can be worn at all times as a protection to life. The second kind of fabric is a simple textile goods, being an inch thick and weighing two pounds to the square foot. This fabric resists and wards off all kinds of leaden bullets from military rifles at any distance, dum-dum bullets at a range of 400 yards and steel bullets at a distance of 800 yards. The third kind of fabric is also of silk, textile, one inch thick, covered on the outside with a steel armor one-sixteenth of an inch in thickness. ”
