1 gypsum lathe, and then they had wood lathes.

Page 2058 1 A They published a list of -- called threshold 2 limit values starting in 1946. 3 Q I know we all do this, and I am going to do 4 it, too.

Memo to Dr.

NEG.

n0 ^21 p----tw 28, 1944 *r.

A--SBESTOS PNEUMOCONIOSIS Experimental Studies by The Saranac Laboratory .. 4 Report to the Johna-Maxxvllle Corporation _____________January 31, 1949 l Ulafl tH < \ ^at i THE SASAKAC LADCRATCRY sara:;ac lake, .vest yo?.

ft, > ?

Mon and more . . .

w ITH SABINITE "M" Similar to movies that get "out of For Sabinite "M" is more than a focus"--sound gets "out of control" plaster finish--it is an acoustical and becomes blurred by bouncing plaster finish that absorbs a high back, and forth frori walls and ceil percentage of sound -- it is light- ings that do not absorb it.

PLAINTIFF'S EXHIBIT ~4>- _ 'b bring your roofing problems to us

SABINITE T.

Serial No. 31. 1250-Kw.

1949 MODERN PLANT SUR Tables list engineering features of over 450 new utility and industrial steam plants, more than 175 hydroelectric units.

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CataVits'a UKiON and VALVE dependability means LOWER M'AiNTE'NiiNCE: COSTS . . . wlthjan EXTRA margin of safety I HOT FORGED STEEL AND STAINLESS STEEL UNIONS STANDARD 1/8" TO 3" Cld<WfUi>| Prtitura up to 3.000 pound*.