: i. '!

302 CHAPTER 12 1952 Guide calculations, as this is the basis for rating fans and its consistent use keeps all parts of the calculations in conformity.

368 CHAPTER 14 1952 Guide adapted to flat flames, or to conical flames that can be spread'over the floor of the combustion chamber.

446 CHAPTER 18 1952 Guide - Table 8.

500 CHAPTER 20 1952 Guide Steam Heating Systems 501 high to allow gravity flow of the condensate to the boiler.

632 CHAPTER 29 1952 Guide upper one closes, the lower one opens; selecting between them, air in the required quantity from either the warmer chamber A or the cooler one B.

744 CHAPTER 34 1952 Guide Table 1.

162 CHAPTER 8 1953 Guii Table 6.

226 CHAPTER 11 1953 Guide (4) local wind interference by nearby buildings, hills or other obstructions of similar nature

260 CHAPTER 12 1953 `Guide Notes fob Table 7. ` The inside-outside temperature difference is 70- (-10) or SO F except where otherwise noted.

426 Chapter 17 = . .. . 1953 Guide In!

676 CHAPTER 31 1953 Guide / 1.

.844 CHAPTER 37 . 1953 Guide y ... ..

; 994 CHAPTER 46 ,1953 Guide c; Elbows and angles should have an inside;orsthroat radius of two pipe diameters whenever possible, but the radius shall never.be less, than one pipe diameter.

1072: CHAPTER 50 1953 Guide Temperatures of surfaces below red heat are difficult to determine by any other means than thennocoupies.: For.this-purpose, a thermocouple of fine wires is preferable to minimize the possibility of error due to the conduction of heat along the wires.