Pumice Stone.—Grinding and polishing in most metal trades, printing and lithography, papier mâché.

Pearl Shell.—Pearl workers, papier mâché, bedstead, electro-plate, optical instrument.

Putty Powder.—Lapidary, electro-plate, diesinking, needles, whip, sword, thimble.

Quills.—Whip, fishing tackle.

Rottenstone.—For polishing in the metal trades, papier mâché, pearl work.

Sand (Fontainbleau, Trent, Silver, Loam, Core, &c).—Glass manufacture, glass grinding, moulding in the metal trades, for sand blast in the electro-plate trade.

Sandifer or Glass Gall.—Jewellery, electro-plate, watch chain.

Sawdust.—Gas manufacture, brass founding and brass trades generally, railway carriage, printing and lithography.

Sealing Wax.—For parcelling in nearly all trades.