CHAPTER XII

GASEOUS AND LIQUID FUELS 250

Gaseous and Liquid Fuels--Coal Gas--All-oil Water Gas--Pintsch Gas--Blau Gas--Water Gas--Measurement of Gas--Gas Meters How to Read the Index--Prepayment Meters--Gas-service Rules--Gas Ranges--Lighting and Heating with Gasoline--Gasoline--Kerosene--The Cold-process Gas Machine--The Hollow-wire System of Gasoline Lighting and Heating--Mantle Gas Lamps--Open-flame Gas Burners--The Inverted-mantle Gasoline Lamp--Portable Gasoline Lamp--Central Generator Plants--Central-generator Gas Lamps--Boulevard Lamps--Gasoline Sad Irons--Alcohol Sad Irons--Alcohol Table Stoves--Danger from Gaseous and Liquid Fuels--Acetylene-gas Machine--Types of Acetylene Generators--Gas Lighters--Acetylene Stoves.