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SECTION II.
HYDRAULIC MEMORANDA: PIPES, PUMPS, WATER-POWER,
HEAT, WARMING AND VENTILATING: MELTING, CUTTING,
AND FINISHING METALS: ALLOYS AND CASTING: WHEEL-
CUTTING: SCREW-CUTTING, ETC.
.
200-203
Ventilation of mines
Furnace ventilation
Specific heat of solid and liquid
bodies.
Expansion of liquids and gases by
heat
Heat-conducting power of metals
Expansion in length of metals by heat
Radiation, absorption, and reflection
of heat
Heat transmitted through plates.
Heating rooms by hot water
Difference in weight of two columns
of water at various temperatures.
Length of 4-inch pipe required to heat
1000 cubic feet of air per minute.
To find the length of pipe required to
heat the air in a building.
Length of pipe required to warm
churches, schools, greenhouses, and
various buildings.
Cooling of iron pipes .
201
202
Rate of cooling by radiation for the
same body at different temperatures 203
Quantity of coal used per hour to heat
100 feet of pipes of different sizes.
Boiler power for heating by hot water
Quantity of air required to be warmed
per minute for various purposes
205
203
Quantity of work turned out by lathes,