Note 41 — Chapter XXXI · MOTIVE POWERS PRODUCED WITH NEW ECONOMY—Continued. HEATING SERVICES
Reading edition
“The Gas-engine: a treatise on the internal-combustion engine using gas, gasoline, kerosene, or other hydro-carbon as source of energy.” By F. R. Hutton, professor of mechanical engineering in Columbia University. New York, John Wiley & Sons. $5.00.