April 13* 1953 Nr, Frank Stefanski Syracuse Enterprise Syracuse, Indiana Sear Nr.

Heaters, Unit Thermal Units Manufacturing Company Pershing Road and Loomis Street, Chicago, 111.

PLAINTIFF'S EXHIBIT April 25, 1958 Hr. 0 J. 73y, Ar of April 23, 1958 Grand Bapids BBSTHALL LIGHT ACOUSTICAL PIASTB A* H.

428 CHAPTER 19 1950 Guide Table 2.

608 CHAPTER 29 1950 Guide ture difference.

702 CHAPTER 33 1950 Guide the outdoor air inlet.

788 CHAPTER 36 1950Guide Table 5.

984 CHAPTER 48 1950 Guide Table 3.

90 CHAPTER 4 1951- Guide'Sj Coefficients for these taps have been adopted by the International Standard^.

328 CHAPTER 13 1951 Guide this is what is ordinarily meant when the heating value of a fuel is specified.

336 CHAPTER 13 1951 Guide forming a cone, the top of which should be level with the middle of the firing door.

536 CHAPTER 23 1951 Guide Convection Transfer Convection values of heat transfer are not easily established.

538 CHAPTER 23 1951 Guide Example 2.

604 CHAPTER 27 1951 Guide ness than that determined by the use of Fig. 6.

632 CHAPTER 30 1951 Guide on desks and may result in a sensation of draft.