CONTENTS. Page[Italian Book-keeping]1[Odometer]5[Machine for noting down Music]12[Refining Gold and Silver Ore by Quicksilver]14[Cold or Dry Gilding]19[Gold Varnish]20[Tulips]22[Canary Bird]32[Archil]35[Magnetic Cures]43[Secret Poison]47[Wooden Bellows]63[Coaches]68[Water-clocks, Clepsydras]82[Tourmaline]86[Speaking-trumpet]93[Ananas.—Pine-apple]102[Sympathetic Ink]106[Diving-bell]111[Coloured Glass.—Artificial Gems]123[Sealing-wax]137[Corn-mills]147[Verdigris, or Spanish Green]171[Saffron]175[Alum]180[Falconry]198[Turf]205[Artichoke]212[Saw-mills]222[Stamped Paper]230[Insurance]234[Adulteration of Wine]245[Artificial Pearls]258[Paving of Streets]269[Collections of Natural Curiosities]282[Chimneys]295[Hungary Water]315[Cork]318[Apothecaries]326[Clocks and Watches]340[Clocks and Watches (additional)]355[Quarantine]373[Paper-hangings]379[Kermes. Cochineal]385[Writing-pens]405[Wire-drawing]414[Buck-wheat]425[Saddles]431[Stirrups]435[Horse-shoes]442[Floating of Wood]454[Lace]463[Ultramarine]467[Cobalt, Zaffer, Smalt]478[Turkeys]487[Butter]499[Aurum Fulminans]509[Garden-flowers]512