e. i. du ?

FRtCTtON MATERIALS STANDARDS INSTITUTE.

Friction Materials Standards Institute, Ik;,. 370 Lexington Avenue.

; GOVERNMENT i EXHIBIT 1 &(*+3 March 6. 1954 Dr.

IHF- 0555 IHF- 0556 IHF- 0557 IHF- 0558 IHF-0559 IHF- 0560 .

BESTVALL OTPSDM COMPART Lessrs.

] /P* tV HESTWALL GZP5UH CQHPAMC.

BESTWALL GYPSU1.

Ardeore Hr* C* E* Abbey Septeaber 27, 1957 Paoli Laboratory BIOS FOR ACOUSTICAL PLASTER C.

'J J Bestwall Gypsum Company FOR PaolfiCLtfV.NY DATE ATTENTION OF Mr.

I SAMPLE SHEETS 1952 J , s - 2 24 h> 24 12 Ozone, Sec.

Kanpton Enginaaring Section Managar D. , Baldwin W^stinghousc Harp ton Works D*T1 January 2^ 1956 I an attaching a copy of Dick Daoant' s latt thought* on this subject. "" ,td Jan^kz^ 13 giving his Sine* that tins I bar* talked to he apparently has had soma preliminary discussion* Apparently, they have indicated to hia that they v^i approval to a product in a thickness of .CiiO" raada up $0ipp ~ ccnbustible naterial and 50% non-combustible.

PLAINTIFF'S EXHIBIT / Bittern C.

AIR & WATER NEWS May 7iw Sal "-e are z:\zz rr.e cis at SC '-C ( k ii C . i > * C ^ \aS nfcrmstion that "sever, or eight" cth S e cr: ir.g operations ir. the gulf also la;?

MOLECULES (Trans cr ip t //42^ \TKE CASE AGAINST THE MAGIC MINERAL, PART I -NARRATOR: ' w \ American Chemical Society ;; News Service