no.

324 , ___________ CHAPTER 17 __________ 1946 Guide The Stoker Manufacturers Association has published standard recom mendations on setting heights for stokers having capacities up to 1200 lb of coal per hour*.

810 CHAPTER 43 1946 Guide The location and arrangement of the dehumidifier, humidifier, or, con ditioner with reference to each apparatus assembly are more or less stand ardized.

828 CHAPTER 45 1946 Guide penalties for excesses.

*x ''jT-''* 62 ..

284 CHAPTER 15 : 1948 Guide' of these require rather detailed calculations.

558 _____________________ CHAPTER 30 1948 Guide ^ ELECTRIC BOILERS Steam or hot water generating boilers using electric energy are entirely automatic and are well adapted to intermittent operation. - Small electric boilers usually have heating elements of the enclosed metal resistor type immersed in the water.

770 CHAPTER 42 1948 Guide APPARATUS FOR MEASURING NOISE Since the relative loudness to the ear, rather than the actual physical intensity, is the quantity in which engineers are usually interested, it has been found necessary to allow for the varying response of the ear at . different frequencies in designing noise measuring equipment.

Water Services 872 CHAPTER SO 1948 Guide 873 Fig. 5.

140 -Heating.

264 CHAPTER 14 Table 4 of Chapter 8 indicates an- changes commonly used but should be * taken only as a guide.

332 ; CHAPTER 16 ' .1949.

344 CHAPTER 16 1949 Giiide The air requirements of oil and gas burners are discussed in Chapter 17; Automatic Fuel Burning Equipment.

514 CHAPTER 24 1949 Guide it will be found that a 1 in, pump will deliver 7 gpm against a head of 4} ft (54,000 milinches).

634P CHAPTER 32 1949 Guide (45\s /400V 36/ ^ \m) ** 1 = (45V /4OOV 36/ X VioO/ X4 = 122hp FAN EFFICIENCY The efficiency of a fan may be defined as the ratio of the horsepower out put to the horsepower input.