PORCELAIN, HOW TO TELL POTTERY AND PORCELAIN: See Ceramics. {602}
PORTLAND CEMENT: See Cement.
PORTLAND CEMENT, SIZE OVER: See Adhesives.
POSTAL CARDS, HOW TO MAKE SENSITIZED: See Photography, under Paper-Sensitizing Processes.
POTASSIUM SILICATE AS A CEMENT: See Adhesives, under Water-Glass Cements.
POTATO STARCH: See Starch.
POTTERY: See Ceramics.
POULTRY APPLICATIONS: See Insecticides.
POULTRY FOODS AND POULTRY DISEASES AND THEIR REMEDIES: See Veterinary Formulas.
POULTRY WINE: See Wines and Liquors.