some of the topics touched upon:

Dew, Water, Rain, Snow, Hail, Atmosphere, Wind, Lightning, Thunder, Electricity, Twilight, and the Aurora Borealis

Corn, Barley, Pearl Barley, Oats, Rye, Potatoes, Tea, Coffee, and Chocolate

Calico, Cotton, Cloth, Wool, Baize, Linen, Flax, Hemp, Diaper, Holland, Canvas, and Flannel

Cocoa, Toddy, Cherries, Bark, Cork, Cochineal, Cloves, Cinnamon, and Cassia

Bombazine, Crape, Camlet, Cambric, Lace, Silk, Velvet, and Mohair

Currants, Raisins, Figs, Rice, Sugar, Sugar Candy, &c., Sago, Millet, Ginger, Nutmeg, Mace, Pimento or Allspice, Pepper, and Cayenne Pepper

Glass, Mirrors, Earthenware, Porcelain, Needles, Pins, Paper, Printing, Parchment, and Vellum

Capers, Almonds, Oranges, Lemons, Citrons, Limes, Olives, Oils, Melons, Tamarinds, and Dates

Hats, Stockings, Shoes, Gloves, Leather, Furs, and Ink

Asbestus, Salt, Coal, Iron, Copper, Brass, Zinc, and Lapis Calaminaris

Yams, Mangoes, Bread-Fruit, Shea or Butter Tree, Cow Tree, Water Tree, Licorice, Manna, Opium, Tobacco, and Gum

Spectacles, Mariner's Compass, Barometer, Thermometer, Watches, Clocks, Telescope, Microscope, Gunpowder, Steam Engine, and Electro-Magnetic Telegraph

Soap, Candles, Tallow Tree, Spermaceti, Wax, Mahogany, India Rubber or Caoutchouc, Sponge, Coral, Lime, Carbon, Oxygen, Nitrogen, Gas, Hydrogen, Chalk, and Marble

Gold, Silver, Lead, Tin, Platina, Sulphur, Gems or Precious Stones—as Diamonds, Rubies, Emeralds, Turquois, Pearls, Mother-of-Pearl, and Ivory

Starch, Arrow-root, Tapioca, Isinglass, Caviare, the Vine, Wine, Gin, Rum, Brandy, Vinegar, Indigo, Gamboge, Logwood,
Tar, Pitch, Camphor, Musk, Myrrh, Frankincense, and Turpentine

Bricks, Mortar, Granite, Slate, Limestone, or Calcareous Rocks, Steel, Earths, Volcanoes, and Earthquakes

Architecture, Sculpture, Use of Money, and Navigation

Music, Painting, Poetry, Astronomy, Arts and Sciences, Art of Writing, and Chemistry

Attraction, Tides, Gravity, Artesian Wells, Air, Aneroid Barometer, Ear-Trumpet, Stethoscope, Audiphone, Telephone,
Phonograph, Microphone, Megaphone, Tasimeter, Bathometer, Anemometer, Chronometer

Light, Lime Light, Magnesium Light, Electric Light, Rainbow, Prism, Spectrum, Colors, Photography, Camera Obscura, Stereoscope, Kaleidoscope

Electricity, Electric Currents, Electric Battery, Electrotyping, Stereotyping, Telegraph, Ocean Cable, Lightning Rod, The Gulf Stream, The Mt. Cenis Tunnel, The Suez Canal, Suspension Bridges, Eminent Americans