256 CHAPTER IS

294 CHAPTER 15 1948 Guide .Section Party wall............................ ;.....

314 CHAPTER 16 1948 Guide smoke.

456 CHAPTER 24 ~_________________________________ 1948 Guide En forced circulation systems flow is produced mechanically by, means of a pump driven by electricity, steam, or other source of energy.

548 CHAPTER 29 1948 Guide "There are certain fundamental principles that should, be followed in the design of a building heating system which is to be supplied from street mains.

63 CHAPTER 38 1948 Guide reversible: if the temperature of the adsorbent is raised until the vapor pressure of the adsorbed water becomes greater than the partial pressure of the vapor in the surrounding atmosphere, waterjyill be released by the adsorbent.

812 CHAPTER 44 1948 Guide Table 7.

Publications Sheet Metal Worker Published by Edwin A.

72 ' CHAPTER 3 1949 Guide LETTER SYMBOLS (Continued) ' k, = enthalpy of moist air at saturation per pound of dry air, Btu per pound of dry air. hr a velocity pressure, inches of water at 60 F. h* = specific enthalpy of condensed water (liquid or solid) at standard pres sure, Btu per pound water. h** = specific enthalpy of water as added at the thermodynamic wet-bulb temperature t*, Btu per pound of dry air.

194 CHAPTER, 11 1949 Guide D = number of degrees on the thermometer scale which are not immersed. = temperature indicated on the thermometer, Fahrenheit degrees. ti = temperature of the non-immersed mercury column, Fahrenheit degrees. 0.00009 = difference in the coefficient of expansion of the mercury and glass.

296 CHAPTER IS 1949 Guide> Table 15.

456 CHAPTER 22 1949 Guide* Table 8.'

Table 6.

492 CHAPTER 23 ; . 1949 Golds Steam Heating Systems and Piping ; . \ 493 high to allow gravity flow of the condensate, to the boiler.

602 CHAPTER 29 1949 Guide position' of the plug is transmitted by means of a lever and pencil and records the flow on a graduated strip chart.