400 CHAPTER 16 1955 Guide sufficient coal capacity for approximately-an eight-hour firing period plus a 20 percent reserve for igniting a new charge, more grate area may be re quired depending upon the depth of the fuel pot.'

492 CHAPTER 21 1955 Guide Each heating unit in a vapor system, as in all two-pipe systems, is pro vided with a graduated or modulating valve which permits the control of heat in the radiator by varying the opening of the valve.

534 CHAPTER 22 1955 Guide the longest supply and longest return piping.

826 CHAPTER 36. 1955 Guide - 4' ' vidua!

1048 CHAPTER 46 1955 Guide ,A exhausted from a hood cannot change without a change m hood suction^!

(I 44 e i B I CHAPTER 3 lie sssss bsssk scsse essss sasss sssss 1. 1 IB III III I fill!

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2.60: QHAPTER 12 1956 Guide tieularly' important;, as the temperature gradient from .floor to breathinglevel to ceiling may. depend to . a .large extent,on whether .direct radiation, unit heaters or warm air is used, and in the latter casey whether the air is moved mechanically or by gravity.

CHAPTER 32 1956 Guide 762 ** Air Conditioning of Multi-Room Buildings, by R.

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970 CHAPTER 42 1956 Guide plaster is drying out, the range and rate of temperature changes (either increase or decrease), should be kept low.

1078 CHAPTER 47 1956 Guide t = air temperature, Fahrenheit.

To Be Made Effective: July 29,1957 Merchandise Bulletin 2601-87 TO: All Salesmen Southwestern Region - Pipe Division PLAINTIFF'S EXHIBIT JMMC-281 Ring-Tite & Fluid-Tite Couplings Some of you have reported that representatives of Keasbey & Mattison and their distributors have been advising customers in your territory that the Fluid-Tite Coupling has a greater wall thickness than our Ring-Tite Coupling.

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78 CHAPTER 4 1957 Guide FLOW MEASUREMENT The measurement of quantity of flow of fluids is generally accomplished either by making observations on the change of state due to flow system configuration, such as the pressure drop across a metering orifice, or by the displacement of some device, such as a rotating vane system.