Oxalic.—Tin plate, art metal work, button, tool making, whip, pen and penholders, wholesale boot and shoe trade.

Pyrogallic.—Gas manufacture, art metal.

Sulphuric (Oil of Vitriol).—Iron wire, nails, bedsteads, button, pen, gelatine, chemical trades, soap, hook and eye, tin plate, brass trades, gun, whip, sword.

Tartaric.—Gelatine, nickel and cobalt, art metal.

CHEMICALS.

Ammonia and Ammonium Salts.—Gas manufacture, brass trades generally, galvanising, buttons, tin plate, printing and lithography, nails, paper.

Arsenious Anhydride or White Arsenic.—Brass founding, chandelier, electro-plate, buttons.

Alum.—Gelatine, paper, rolled metal, buttons, wholesale boot and shoe.

Borax.—Metal trades generally, jewellers, gelatine.