C. S. Johnston, Harford, Pa.
Dissolve 2 drachms nitrate of silver, 1/2 ounce gum arabic in a gill of rain water. Add aqua ammonia, a few drops at a time, till you get the color the right shade. After marking, dry the goods near the fire, or in the sun. Don't mark new cloth before the dressing is washed out, but starch and iron the garment, then mark, and all creation will not be likely to wash it out. Keep it dark.
Dissolve asphaltum in oil of naptha, and it will answer for marking parcels, drying quickly and not spreading.
Shut all the windows and doors, to prevent a current of air, and throw a handful or more of salt in the fire.