Part 2

The Chemistry of Bog Reclamation 159

Aerial Exploration of the Arctic Regions 170

The Limits of our Coal Supply 189

“The Englishman’s Fireside” 213

“Baily’s Beads” 221

The Coloring of Green Tea 223

“Iron Filings” in Tea 227

Concert-Room Acoustics 231

Science and Spiritualism 237

Mathematical Fictions 251

World-Smashing 257

The Dying Trees in Kensington Gardens 261

The Oleaginous Products of Thames Mud: Where they Come from and Where they Go 266

Luminous Paint 269

The Origin and Probable Duration of Petroleum 273

The Origin of Soap 281

Oiling the Waves 285

On the so-called “Crater Necks” and “Volcanic Bombs” of Ireland 290

Travertine 296

The Action of Frost in Water-Pipes and on Building Materials 300

The Corrosion of Building Stones 308

Fire-Clay and Anthracite 312

Count Rumford’s Cooking-Stoves 320

The “Consumption of Smoke” 327

The Air of Stove-Heated Rooms 332

Ventilation by Open Fireplaces 337

Domestic Ventilation 341

Home Gardens for Smoky Towns 351